Y add -69.8 sub mul 5.4 div sub mul -0.337 pow2 add -7.300000000000001 mul 0.133 x_0 mul -14.100000000000001 pow2 add -3.6 mul -0.585 x_2 exp add -8.17 mul 0.662 x_1 mul 42.900000000000006 inv add 12.9 mul -0.669 x_3