Below is an instruction that describes a task. Write a response that appropriately completes the request in English. Please answer in English.

### Instruction:
Jan enters a double dutch competition.  After training she doubles her speed which used to be 70 skips per minute.  How many skips does she do in 5 minutes?

### Response:
Jan used to do 70 skips per minute.  Now she does 2 * 70 = <<2*70=140>>140 skips per minute
In 5 minutes she does 5 * 140 = <<5*140=700>>700 skips
#### 700

