At the bottom, clear as glass for anyone who can do simple arithmetic, is the figure $7.53 billion.

Never had simple arithmetic brought such a smile to my face.

Simple arithmetic says that each teacher sees about 800 students per week.

His tired mind was not up to the simple arithmetic.

His mind ran over the problem in simple arithmetic for what he hoped was the final time.

I tried to count it, but I've lost my ability to do even simple arithmetic.

Unlike the other kids in the class, he couldn't read, write or do simple arithmetic.

But I can do simple arithmetic without using a terminal.

It was a matter of simple arithmetic to conclude that he had to keep going.

All boys under 16 years were required to learn to read, write and perform simple arithmetic.