Task: Question Understanding
Input (English): Let p be 1 + 0 - 0 - -1. Suppose -36 = 3*o - 5*o - 4*c, -5*o = p*c - 82. Suppose v - 188 = -4*v + 3*g, -o = -4*g. What is the remainder when v is divided by 21?
Output (English): numbers