80 cups
1 qal X 4 qts x2pts x2 cups= 16 cups in one gallon
16x5=80
Whether you have to combine the two numbers together will be decided by you.
16’s reciprocal would be 0.0625
1/3’s reciprocal would be -3
Hope this helps and hope I am doing this right.

Given ,

To find ,
value of x
Now ,

Dividing both sides by 2 , we get

nikal -,- xD