Y add 0.352 add sub mul 6.67 tan add -65.60000000000001 mul -31.8 x_2 mul -8.39 x_7 mul -0.20400000000000001 mul div sub mul 23.900000000000002 x_5 mul 3.5100000000000002 x_1 add mul -64.5 mul x_3 x_2 mul 0.289 div x_0 cos add -1.6 mul -3.1 x_6 x_4