Simplify the following text for a Grade 7 native English-speaking person.
Original: After cunningly dispersing Masetto 's friends ( Giovanni aria : `` MetÃ di voi qua vadano â `` Half of you go this way '' ) , Giovanni takes Masetto 's weapons away , beats him up very badly , and runs off , laughing .
Simplified: After getting the crowd to separate Giovanni beats up Masetto and runs away laughing .