Y add -3.91 sub mul -36.6 mul x_1 mul sub mul -1.17 div sub mul 58.7 x_6 mul -2.5 div x_4 inv add 86.60000000000001 mul -7.5600000000000005 x_2 sub mul 0.399 x_7 mul -4.64 x_5 mul -0.31 x_7 x_0 mul -40.900000000000006 x_3