THAT'S ALL THERE IS TO IT

expr infml esp AmE

1)

That's all there is to it, I guess — Вот, пожалуй, и все

Ronald was a pimp and that was all there was to it — Рональд был просто сутенером, вот и все

2)

And that's all there is to it. No problem — Это очень просто. Никаких проблем