Shara collects shells. She had 20 shells before she went on vacation. On vacation, she found 5 shells per day for 3 days. Then he found 6 shells on the fourth day. How many shells does she have now?
Shara collected 5 x 3 = 
<gadget id="calculator">5*3</gadget>
<output>15</output>
15 shells for 3 days.
So she collected 15 + 6 = 
<gadget id="calculator">15+6</gadget>
<output>21</output>
21 shells rom her vacation.
Thus, she now has a total of 20 + 21 = 
<gadget id="calculator">20+21</gadget>
<output>41</output>
41 shells.

<result>41</result>