Y add 7.83 sub mul 15.100000000000001 mul x_6 mul div cos add 0.373 mul 7.5600000000000005 x_2 mul x_3 div pow3 add 0.136 mul -0.677 x_4 tan add mul 0.23 div x_2 inv add -19.5 mul 3.65 x_5 mul 1.71 x_2 x_0 mul -1.68 div x_7 x_1