how to change the order so that the results showed that e = S = not 123 = S
Manipulate[ParametricPlot[{a Cos[t], b Sin[t]}, {t, 0, 2 Pi},
PlotLabel -> {Style[{"a" -> a, "b" -> b}, 16],
Style[{"= S" "\[Pi]" a b}, 16],
Style[{"\[TildeTilde] \[ScriptE]" "\[Pi]" (3/2 (a + b) - Sqrt[
a b])}, 16]},
PlotRange -> {{-5, 5}, {-5, 5}}], {a, 1, 5}, {b, 5, 1}]