To find the quotient, we can use a calculator. Problem is that we get a decimal, so 52 won't divide evenly. When using a calculator the whole number part is the quotient.
1052 + 52 = 20.2307692....
Now, 52 x 20 = 1040. Since 1052 - 1040 = 12 we can properly report the quotient and its remainder.
So 1052 + 52 = 20 (its quotient) and 12 (its remainder).