Y add -5.5 div add add mul 1.8 mul x_2 add mul -0.729 exp add -5.41 mul -0.41400000000000003 x_5 sub mul 54.7 mul x_1 x_0 mul -97.5 inv add 73.2 mul 7.2 x_4 mul 8.86 x_1 mul -97.80000000000001 x_0 x_3