Y add -0.643 div div x_2 x_1 add mul 6.97 x_0 sub mul -3.6 pow3 add -6.3500000000000005 mul -0.085 x_1 sub mul -78.7 cos add -77.7 mul 7.48 div x_1 inv add 0.28 mul 63.300000000000004 x_3 mul 5.32 x_3