How much 12 cm is many times as long as 2 mm?

There are 10 millimetres in one centimetre. Therefore, 12 centimetres is equal to 12 x 10 = 120 millimetres.

Dividing this by 2 millimetres gives 120/2 = 60. Therefore, 12 centimetres is 60 times longer than 2 millimetres.