Y add 4.47 mul sub mul -0.109 x_6 mul -0.423 div pow2 add 53.5 mul -46.300000000000004 mul div tan add 7.0200000000000005 mul -0.983 x_2 x_0 x_3 inv add -0.083 mul -0.68 x_5 div exp add -15.700000000000001 mul 6.63 x_4 x_1