Y add 0.8180000000000001 sub mul -80.80000000000001 x_2 sub mul -0.33 x_4 add mul -8.56 x_0 mul -5.75 mul add mul 0.402 tan add 17.900000000000002 mul 0.8270000000000001 mul x_1 sub mul -78.5 x_4 mul -0.637 x_1 mul -6.3500000000000005 x_3 x_2