Seokjin's mother is 32 years older than Seokjin, and his uncle is 3 years younger than his mother. When Seokjin is 12 years old, how old is his uncle?
12 32 [OP_ADD] 3 [OP_SUB]
var_a = 12
var_b = 32
var_c = var_a + var_b
var_d = 3
var_e = var_c - var_d
print(int(var_e))