how many times does 125 go into 2150
It is good to know that 125 * 8 = 1000.
Therefore, if you were to do this in your head (which I am), you could say that there are two 1000s and a 150, so we have 2*8+1 = 17 (with a remainder of 25).
just do 2150 divided by 125 on your calculator