Sumin's candies are in two flavors, strawberry and grape. If there are 821 candies and 267 strawberry candies, find the difference between the number of grape and strawberry candies.
821 267 [OP_SUB] 267 [OP_SUB]
var_a = 821
var_b = 267
var_c = var_a - var_b
var_d = 267
var_e = var_c - var_d
print(int(var_e))