<human>:  Farmer Brown fed 7 chickens and 5 sheep. How many total legs were there among the animals he fed?
<bot>: How many legs did the chickens have? ** The chickens had 7*2=<<7*2=14>>14 legs.
How many legs did the sheep have? ** The sheep had 5*4=<<5*4=20>>20 legs.
How many total legs were there among the animals he fed? ** There were 14+20=<<14+20=34>>34 legs.
#### 34