Because not all not inches addition equals to actually feet. Try convert to feet when compare.
Finish toFeet function.
Extract some constants to improve readability.
Added shouldGetYardFromFeetAndYardAddition.
Passed addition test when values not actually equal.
Extract constants from multiplication.
Added test shouldGetMileFromYardAndFeetAndInchAddition
Added not actual addition to miles
Passed from not actual values to mile.
Use auto convert to feet when compare.
Use auto convert to yard when compare.
Because  1 Mile != 1761 Yard, so we can not do convert. Revert my previous work.
Revert auto convert to yards.
Revert auto convert to feets.
Move code to package and use static import