Since no answer choices, have to deduce it is Private Networks
Something like this?
h1 = int(input())
m1 = int(input())
s1 = int(input())
h2 = int(input())
m2 = int(input())
s2 = int(input())
s = h2*3600 + m2*60 + s2 - (h1*3600 + m1*60 + s1)
print(s)
Validation: Understanding and showing acceptance for another person
One gallon is 3.7854 liter so 4 liters are more than one gallon.
