A honeybee was flying at 10 meters (m) per hour, seeking honey. After finding honey in a flower, it was so happy that it flew back to its nest at 15 meters (m) per hour, and it took 30 minutes less than when it was seeking honey. Find the distance between the bee's nest and the flower.
30 60 [OP_DIV] 1 10 [OP_DIV] 1 15 [OP_DIV] [OP_SUB] [OP_DIV]
var_a = 30
var_b = 60
var_c = var_a / var_b
var_d = 1
var_e = 10
var_f = var_d / var_e
var_g = 1
var_h = 15
var_i = var_g / var_h
var_j = var_f - var_i
var_k = var_c / var_j
print(int(eval('{:.2f}'.format(round(var_k+1e-10,2)))))