We decided to lower the price of this product.

It's surprising that he can run so fast.

Please calculate the value of the cotangent, which is one of the trigonometric functions.

This math problem requires an understanding of functions.

Could you bring me that, whatchamacallit?

What? I couldn't catch what you said.

He is deserving of that award.

How much is the price of this product?

I don't know how many people are coming.

He said nothing.