Of 1 liter (L) of milk, Ye-seul drank 0.1 liters (L), and Ga-young drank 0.2 liters (L) more than Ye-seul, and Hancho drank several liters (L) more and the remaining amount of the milk was 0.3 liters (L). Find how many liters (L) of milk Hancho drank.
1 0.1 [OP_SUB] 0.1 0.2 [OP_ADD] [OP_SUB] 0.3 [OP_SUB]
var_a = 1
var_b = 0.1
var_c = var_a - var_b
var_d = 0.1
var_e = 0.2
var_f = var_d + var_e
var_g = var_c - var_f
var_h = 0.3
var_i = var_g - var_h
print('{:.2f}'.format(round(var_i+1e-10,2)))