Jane, Kyla, and Anthony have summer jobs in a resort. Their task is to fold guests' towels. Jane can fold 3 towels in 5 minutes. Kyla can fold 5 towels in 10 minutes, and Anthony can fold 7 towels in 20 minutes. If they all fold towels together, how many towels can they fold in one hour?
There are 1 x 60 minutes = 
<gadget id="calculator">1*60</gadget>
<output>60</output>
60 minutes in 1 hour.
There are 60/5 = 
<gadget id="calculator">60/5</gadget>
<output>12</output>
12 sets of 5 minutes in 1 hour.
So, Jane can fold 3 x 12 = 
<gadget id="calculator">3*12</gadget>
<output>36</output>
36 towels in an hour.
There are 60/10 = 
<gadget id="calculator">60/10</gadget>
<output>6</output>
6 sets of 10 minutes in 1 hour.
So, Kyla can fold 5 x 6 = 
<gadget id="calculator">5*6</gadget>
<output>30</output>
30 towels in an hour.
There are 60/20 = 
<gadget id="calculator">60/20</gadget>
<output>3</output>
3 sets of 20 minutes in 1 hour.
So, Anthony can fold 7 x 3 = 
<gadget id="calculator">7*3</gadget>
<output>21</output>
21 towels in an hour.
Therefore, the 3 of them can fold a total of 36 + 30 + 21 = 
<gadget id="calculator">36+30+21</gadget>
<output>87</output>
87 towels in 1 hour.

<result>87</result>