The length of the wooden block that Yujeong has is 30 centimeters (cm) shorter than 31 meters (m). Find the length of the wooden block that Yujeong has in meters (m).
31 30 100 [OP_DIV] [OP_SUB]
var_a = 31
var_b = 30
var_c = 100
var_d = var_b / var_c
var_e = var_a - var_d
print('{:.2f}'.format(round(var_e+1e-10,2)))