<human>:  Gervais drove an average of 315 miles for 3 days. Henri drove a total of 1,250 miles over one week. How many miles farther did Henri drive?
<bot>: How many files did Gervais drive? ** Gervais drove 3*315 = <<3*315=945>>945 miles
How many miles farther did Henri drive? ** 1250 - 945 = <<1250-945=305>>305 miles
How many miles farther did Henri drive? ** Henri drove 305 miles farther.
#### 305