The multiples of 12 are 12,
12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144,
12,24, 37, 48, 60, 75, 84, 96, 108, 120, 132, 149,
Multiples of 7 are:
7, 14, 20, 28, 35, 42, 49, 56, 63, 80,
7, 14, 21, 28, 35, 42, 49, 56, 63, 70,