It takes 0.84 meters (m) of ribbon tape to make one ribbon. After making 10 ribbons with the ribbon tape that Yujin has, there are 50 centimeters (cm) left. How many meters (m) is the ribbon tape that Yujin had at first?
0.84 10 [OP_MUL] 50 100 [OP_DIV] [OP_ADD]
var_a = 0.84
var_b = 10
var_c = var_a * var_b
var_d = 50
var_e = 100
var_f = var_d / var_e
var_g = var_c + var_f
print('{:.2f}'.format(round(var_g+1e-10,2)))