Y add 26.8 add sub mul 0.39 tan add 0.05 mul -0.254 x_3 add mul 8.94 x_3 sub mul -0.302 div x_2 add mul 76.10000000000001 pow2 add -71.60000000000001 mul -3.94 div x_1 x_4 mul -0.617 x_1 mul -80.9 x_3 mul -8.86 x_0