The work had been progressing for perhaps two or three hours when two warriors descended the tunnel and halted beside Kalfastoban. They were escorting a green-tunicked slave, to whom Tarzan paid no more attention than he did to the warriors until a scrap of the conversation between the warriors and Kalfastoban reached his ears, then he shot a quick glance in the direction of the four and saw that the slave was Komodoflorensal, Prince of Trohanadalmakus, known in the quarries of Veltopismakus as Slave Aoponato, or 8003+19, which is written in Minunian hieroglyphics
.
Tarzan's number, Aopontando, 8003+21, appeared thus, upon the shoulder of his green tunic:
.
Although the Minunian form occupies less space than would our English equivalent of Tarzan's number, which is 512,000,021, it would be more difficult to read if expressed in English words, for it then would be, ten times ten times eight, cubed, plus seven times three; but the Minunians translate it in no such way. To them it is a whole number, Aopontando, which represents at first glance a single quantity as surely as do the digits 37 represent to our minds an invariable amount, a certain, definite measure of quantity which we never think of as three times ten plus seven, which, in reality, it is. The Minunian system of numerals, while unthinkably cumbersome and awkward from the European point of view, is, however, not without its merits.
As Tarzan looked up Komodoflorensal caught his eye and winked and then Kalfastoban beckoned to the ape-man, who crossed the corridor and stood in silence before the Vental.
"Let us hear you talk to him," cried Kalfastoban to Komodoflorensal. "I don't believe that he will understand you. How could he when he cannot understand us?" The fellow could not conceive of another language than his own.
"I will ask him in his own language," said Komodoflorensal, "if he understands me, and you will see that he nods his head affirmatively."