Yoojung is 5 years old this year. In the year when Yoojung turns 10, her grandmother is 60. Find what age is her grandmother this year.
60 10 5 [OP_SUB] [OP_SUB]
var_a = 60
var_b = 10
var_c = 5
var_d = var_b - var_c
var_e = var_a - var_d
print(int(var_e))