Please check the quantity of this product.

He is good at solving algebra problems.

How many even numbers are there in this list?

This list only contains odd numbers.

He should respect the minority opinion.

This problem requires an understanding of multiples.

We need to calculate the coefficient of this equation.

This math problem needs to be solved using negative numbers.

This 正數 is the same as what I learned in school.

He likes to take a walk in the park at dusk.