21.
What is the result of 3 + 4 * 5 ?

22.
What is the result of (2 + 3) * 4 ?

23.
What is the result of (2 + 3) * (5 - 1) ?

27.
What is the result of 4 + 3 ** 2 % 2 ?

28.
What is the result of 2 ** 3 * 4 ?