When a basket containing several watermelons of the same weight was 63 kilograms (kg), its weight changed to 34 kilograms (kg) after half of the watermelon was removed. What is the weight of watermelons in total?
63 34 [OP_SUB] 2 [OP_MUL]
var_a = 63
var_b = 34
var_c = var_a - var_b
var_d = 2
var_e = var_c * var_d
print(int(var_e))