Y add -73.5 sub mul -4.1 x_1 sub sub mul -57.7 div x_0 x_0 add mul 0.23800000000000002 div x_3 inv add mul 4.99 x_3 mul -79.80000000000001 x_3 mul -0.9590000000000001 x_2 mul -93.30000000000001 exp add 0.669 mul -0.646 x_1