A friend drank 300 milliliters (ml) more than 2/5 of the water Hyun-ji brought while climbing the mountain, and Hyun-ji drank 200 milliliters (ml) more than 1/2 of the remaining water. If the remaining water is 800 milliliters (ml), how many liters (l) is the amount of water Hyun-ji brought first?
800 200 [OP_SUB] 1 1/2 [OP_SUB] [OP_DIV] 300 [OP_ADD] 1 2/5 [OP_SUB] [OP_DIV] 1000 [OP_DIV]
var_a = 800
var_b = 200
var_c = var_a - var_b
var_d = 1
var_e = 0.5
var_f = var_d - var_e
var_g = var_c / var_f
var_h = 300
var_i = var_g + var_h
var_j = 1
var_k = 0.4
var_l = var_j - var_k
var_m = var_i / var_l
var_n = 1000
var_o = var_m / var_n
print('{:.2f}'.format(round(var_o+1e-10,2)))