Y add 21.0 mul add sub mul 40.0 x_2 mul 66.9 inv add -3.8000000000000003 mul -68.9 x_3 mul -93.60000000000001 sin add -5.36 mul -15.3 x_0 div sub mul -4.92 x_1 mul -8.540000000000001 x_2 tan add 44.6 mul 5.0600000000000005 mul x_4 div x_1 x_3