Y add 0.807 div pow3 add -0.247 mul 0.369 mul pow2 add -0.196 mul -4.87 x_1 pow2 add 67.5 mul 0.007 x_2 add mul 0.377 mul add mul -0.34600000000000003 x_2 sub mul 0.86 mul exp add -64.5 mul -0.874 x_2 x_3 mul -0.732 x_3 x_1 mul 75.60000000000001 x_0