Y add 15.4 mul inv add 33.0 mul 27.5 x_4 sub mul -1.41 x_0 mul -6.1000000000000005 inv add -82.30000000000001 mul 65.0 div x_3 pow2 add -0.105 mul 26.900000000000002 div x_2 abs add -8.6 mul -0.881 x_1