You want to drink 19 liters (L) of water equally over 9 days. Find how many liters (l) of water you need to drink per day.
19 9 [OP_DIV]
var_a = 19
var_b = 9
var_c = var_a / var_b
print('{:.2f}'.format(round(var_c+1e-10,2)))