Y add -7.01 mul pow2 sub mul -0.557 log sub mul 63.300000000000004 pow2 add -7.6000000000000005 mul 61.2 x_3 mul -0.19 exp add -25.900000000000002 mul -2.44 x_0 mul -1.02 x_1 add mul -11.9 x_0 mul 3.2 x_2