Y add 0.167 mul sub mul -99.30000000000001 pow2 add -4.7700000000000005 mul 4.0600000000000005 x_0 mul -54.7 x_1 mul x_2 div div add mul -0.221 x_4 mul -37.300000000000004 exp add 35.2 mul -62.300000000000004 x_3 inv add -22.6 mul -0.5630000000000001 x_3 x_3