<<< native [ ESubsup (ESymbol Op "\8747") (ENumber "0") (ENumber "1") , ESymbol Bin "+" , ESubsup (EFraction NormalFrac (EIdentifier "x") (EIdentifier "y")) (ENumber "0") (EIdentifier "a") , ESymbol Bin "+" , ESubsup (EFraction NormalFrac (EIdentifier "x") (EIdentifier "y")) (ENumber "0") (ENumber "1") , ESymbol Bin "+" , ESubsup (ESymbol Op "\8747") (ENumber "0") (EIdentifier "a") ] >>> mml $${\int }_0^1+{\frac{x}{y}}_0^a+{\frac{x}{y}}_0^1+{\int }_0^a$$