There are 135.1 liters (L) of water. If this is divided into 7 liter (L) buckets, how many liters (L) are left after the buckets are filled with water?
135.1 7 [OP_MOD]
var_a = 135.1
var_b = 7
var_c = var_a % var_b
print('{:.2f}'.format(round(var_c+1e-10,2)))