The following text was written to the standard output stream when the ExpressionThing.java program was executed from IntelliJ.
one = 20.700000000000003 two = 31.400000000000002 three = 31.400000000000002 four = 6 five = 27.5 six = 21.0 seven = 48.0 eight = 400.94660000000005 nine = 767.29 ten = 19.5 eleven = 41.395 twelve = 1 thirteen = 1 fourteen = 4 fifteen = 5