<human>:  Royce takes 40 minutes more than double Rob to shingle a house. If Rob takes 2 hours, how many minutes does Royce take?
<bot>: How many minutes does Rob take? ** Convert 2 hours to min: 2(60)=120 minutes
How many minutes does Royce take? ** Royce takes 40+2(120)=280 minutes
#### 280