Y add -0.31 add sub mul -76.5 x_4 mul 9.28 div add mul -0.596 div add add mul 23.400000000000002 x_2 mul 0.245 x_1 mul -0.92 x_3 inv add 0.579 mul -7.37 x_5 sub mul -7.33 x_0 mul 7.2700000000000005 x_1 inv add 6.29 mul 3.89 x_6 mul -0.48 tan add 0.878 mul -0.08 x_4