This Alien likes to run. When it saw a rabbit and ran, it ran at 15 kilometers (km) per hour, and it ran at 10 kilometers per hour (km) when it spotted a frog, which took 30 minutes more. Find the time it took to run after seeing the frog.
10 30 60 [OP_DIV] [OP_MUL] 15 10 [OP_SUB] [OP_DIV] 30 60 [OP_DIV] [OP_ADD]
var_a = 10
var_b = 30
var_c = 60
var_d = var_b / var_c
var_e = var_a * var_d
var_f = 15
var_g = 10
var_h = var_f - var_g
var_i = var_e / var_h
var_j = 30
var_k = 60
var_l = var_j / var_k
var_m = var_i + var_l
print('{:.2f}'.format(round(var_m+1e-10,2)))