answer: 240
35. Xiao Le and Xiao Xi jump rope together. Xiao Xi jumps for 2 minutes first, then both of them jump for 3 minutes, and they jump a total of 780 times. Xiao Xi jumps 12 more times per minute than Xiao Le. How many more times does Xiao Xi jump than Xiao Le? 

Fill in the blank with the answer.