" Shebna scraped the tablet clean and began drawing circles in the soft clay. "Suppose you had six figs and you ate two. How many would--"
"Four." Hezekiah answered before Shebna finished, and the tutor's thick black eyebrows rose in surprise.
"And suppose I had five figs. How many would we--"
"Nine."
"Have you done this before?"
Hezekiah thought the question was ridiculous. "I've eaten figs lots of times. "

― Lynn Austin , Gods and Kings (Chronicles of the Kings, #1)