Y add -4.61 sub mul 90.30000000000001 mul inv add 68.7 mul 0.612 x_0 add mul 4.74 div mul mul x_1 x_4 mul x_4 exp add -0.636 mul -23.400000000000002 x_3 x_6 mul -0.664 tan add 0.785 mul -1.84 x_5 sub mul -24.900000000000002 exp add 74.4 mul -72.9 x_2 mul 6.47 x_6