Jiwon took 13 times of 90 steps at a time. If Jiwon can move 0.45 meters (m) per step, how long did she walk in meters (m)?
0.45 90 [OP_MUL] 13 [OP_MUL]
var_a = 0.45
var_b = 90
var_c = var_a * var_b
var_d = 13
var_e = var_c * var_d
print('{:.2f}'.format(round(var_e+1e-10,2)))