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

### Instruction:
 Tim a 30 crapauds. Jim a 20 crapauds de plus que Tim. Sarah a deux fois plus de crapauds que Jim. Combien de crapauds a Sarah ?


### Response:
 Jim : 20 + 30 = <<20+30=50>>50 crapauds
Sarah : 50 x 2 = <<50*2=100>>100 crapauds