Y add 1.75 sub mul -23.900000000000002 mul x_2 add mul -13.9 div x_4 div sin add 3.4 mul 1.9100000000000001 x_1 sub mul 0.009000000000000001 x_4 sub mul 7.83 x_3 mul -0.481 x_3 mul 2.73 x_0 mul -0.46900000000000003 div x_2 inv add -0.746 mul 0.551 x_1