u/BalanceAdvanced8007

https://preview.redd.it/p3u262du9dyg1.png?width=869&format=png&auto=webp&s=80454b776c40da0ededb7e61e476098995581dec

Can someone explain to me why people have 1200 combo, I've seen this on other beatmaps too, is it something to do with lazer and stable?