The following text was written to the standard output stream when the ExpressionsThing.java program was executed from IntelliJ.
one + 20.700000000000003 two = 31.400000000000002 three = 31.400000000000002 four = 6 five = 82.5 six = 0.0 seven = 82.5 eight = 70.96400000000001 nine = 767.29 ten = 419.127 eleven = 0.0 twelve = 1 thirteen = 1 fourteen = 4 fifteen = 5