(10 + 4) * 5 > 60
10 * 5 + 4 * 5 > 60
50 + 20 > 60
70 > 60
 
(3 + 20) * 3 < 70
3 * 3 + 20 * 3 < 70
9 + 60 < 70
69 < 70
 
(7 + 10) * 4 < 70
7 * 4 + 10 * 4 < 70
28 + 40 < 70
68 < 70
 
(5 + 20) * 4 = 100
5 * 4 + 20 * 4 = 100
20 + 80 = 100
100 = 100