Y add 0.918 div div x_2 x_1 add add mul -1.8800000000000001 div x_0 add mul 66.0 x_1 mul -80.7 x_3 mul -4.3500000000000005 div x_5 sub mul -2.06 log add 6.8500000000000005 mul 0.997 x_4 mul -5.5 x_5 mul -14.600000000000001 x_3