A negative times a negative is a positive
Two bad days multiplied become a good day. Math, but with mood swings.
I got in trouble. My friend got in trouble. We both got a party. Life is unfair.
I got grounded. My brother got grounded. We both got freedom. That's not fair.
My dog pooped on the carpet. My dog pooped on the carpet. I got a new carpet. That's a miracle.