yellow and blue marbles are mixed in the box. There are a total of 913 marbles in the box, and the number of yellow marbles is 514. Find how many yellow marbles are more than blue marbles.
514 913 514 [OP_SUB] [OP_SUB]
var_a = 514
var_b = 913
var_c = 514
var_d = var_b - var_c
var_e = var_a - var_d
print(int(var_e))