Y add 6.84 div x_3 add mul 33.0 div x_0 pow3 sub mul -0.031 div exp add -83.30000000000001 mul 61.6 x_0 x_3 mul -19.400000000000002 x_3 mul -0.731 exp sub mul 0.961 x_1 mul 28.6 inv add 4.86 mul -9.700000000000001 div x_2 x_2