"I don't know—a General."

"What does the number 31 on your buttons mean?"

"It means that I belong to Regt. 31 of the 16th Division."

"What does the number 7 on your cap, with P after it, mean?"

"It indicates that I belong to the 7th rota of my polk."

"What does a rota mean?"

"It means a company of 250 men."

"How many rotas are in a polk?"

"There are sixteen rotas in each polk."

"And how many polks are in a division?"