Y add -79.30000000000001 sub mul 0.638 mul tan add 0.46 mul 53.0 div x_0 pow3 add -68.8 mul 1.99 x_0 x_0 mul -0.6970000000000001 mul exp add -4.86 mul 0.274 x_1 inv sub mul 7.2700000000000005 x_1 mul 6.32 x_0