Anas bin Malik reported,

The Prophet ﷺ was resting at midday when his companions needed water for ablution. A small bowl containing a little water was brought, and the Prophet ﷺ placed his palm in it. Water began to gush forth from between his fingers until all the people performed their ablution.I asked, "How many were you?"He replied, "About three hundred."

Ahmad 14081

Sahih

حدثنا بهز حدثنا همام عن قتادة

عن أنس

أن النبي ﷺ كان عند الزوال فاحتاج أصحابه إلى الوضوء قال فجيء بقعب فيه ماء يسير فوضع النبي ﷺ كفه فيه فجعل ينبع من بين أصابعه حتى توضأ القوم كلهم قلت كم كنتم قال زهاء ثلاث مائة

أحمد 14081صحيح
Contents
Reference
Commentary
Ayat
Collection
Musnad Ahmad
Book
Anas bin Malik
Numbering
Darussalam 14081
Ahmad 14081