a. 80-56=24 b. (8+0) - (5+6)= I-3I c. 24+3=27

If 82 + 4 = 14, 95 - 3 = 11, 45 * 2 = 18, 81 / 3 = 3 then 56 * 2 = ?

Find the number that comes next in the following series:

3, 7, 12, 14, 16, 19, 21, 25, 30, 41, 45, 52, 54, 56, 59, 61, 65, 70, ?