Y add -60.0 sub mul -7.800000000000001 div mul mul x_1 div x_2 x_4 add add mul 0.808 x_0 add mul 55.6 x_1 mul -0.8320000000000001 sqrt add 40.300000000000004 mul 0.935 x_0 mul -0.434 x_2 x_2 mul 69.2 x_3