The length of the wooden block of Yoojung is 30 centimeters (cm) shorter from 31 meters (m). Write the length of the wooden block that she has in centimeters (cm).
31 100 [OP_MUL] 30 [OP_SUB]
var_a = 31
var_b = 100
var_c = var_a * var_b
var_d = 30
var_e = var_c - var_d
print(int(var_e))