What is the difference between these two products?

He is participating in a fierce competition.

This area has drastic highs and lows.

In my area, a summer festival is held every year.

Please calculate the difference between these two numbers.

On days with a large spring range, the coastline changes significantly.

Understanding the high and low accents in Japanese is difficult.

When the tidal range is large, the coastline changes significantly.

Fishing on the coast is difficult today because it's a neap range.

In math class, the teacher explained the concept of relative complement.