It was 104 degrees Fahrenheit warmer in Miami compared to Red Wing
Here, we want to get how much warmer is the temperature in Miami, compared to that in Red Wing
To do this, we need the individual temperatures in both places
In Miami, we have 86 F
In Red Wing, we have 18 F below 0
Mathematically, that would be (0-18)F = -18F
So, the difference between the temperatures at the two places will be;