Y add 9.86 mul x_2 add mul 58.0 mul x_1 add mul 0.429 pow2 add 0.022 mul 0.489 x_0 mul 0.257 div x_2 x_3 add mul -77.5 div cos add 50.800000000000004 mul -49.5 mul cos add 5.37 mul -0.9440000000000001 x_3 x_4 pow2 add -0.805 mul 2.74 x_2 mul 0.03 x_3