Joey plays football every week. Last week he played 2 matches on Monday, 1 match on Friday, and on Saturday he played double the number of matches he played on Monday. How many matches did Joey play in one week?
On Saturday, Joey played 2 * 2 = 
<gadget id="calculator">2*2</gadget>
<output>4</output>
4 matches.
For the whole week, Joey played 2 + 1 + 4 = 
<gadget id="calculator">2+1+4</gadget>
<output>7</output>
7 matches in total.

<result>7</result>