Y add 80.80000000000001 sub add sub mul 8.61 mul x_4 pow3 add 21.700000000000003 mul -4.33 x_7 mul 54.2 cos add -82.2 mul 4.91 x_2 mul 79.7 sin add -6.57 mul -0.393 x_0 sub mul 2.6 x_5 add add mul -5.5600000000000005 x_3 mul -1.92 sqrt add 28.8 mul 0.632 x_1 mul -7.95 x_6