Sid traveled 110 miles in 2 hours. If Sid then traveled an additional 140 miles in 3 hours, what's the average speed he was traveling?
After traveling 110 miles at first, Sid traveled 110 + 140 = 
<gadget id="calculator">110+140</gadget>
<output>250</output>
250 miles in total.
Since he spends 3 hours traveling after the first 2 hours, he traveled 3 + 2 = 
<gadget id="calculator">3+2</gadget>
<output>5</output>
5 hours.
On average, Sid traveled 250 miles / 5 hours = 
<gadget id="calculator">250/5</gadget>
<output>50</output>
50 miles per hour.

<result>50</result>