Y add -7.76 add mul -39.300000000000004 mul x_4 pow3 add -4.1000000000000005 mul 4.09 x_2 sub mul 7.08 div tan add 0.233 mul -27.1 x_1 pow2 add 37.800000000000004 mul -0.727 x_3 mul -4.82 pow2 add 3.64 mul -1.73 mul x_4 x_0