It takes Jason 30 minutes to cut 1 lawn in his neighborhood.  If he cuts 8 yards on both Saturday and Sunday, how many hours does he spend cutting grass?
He cuts 8 yards on both Saturday and Sunday so that's 2*8 = 
<gadget id="calculator">8*2</gadget>
<output>16</output>
16 yards.
It takes him 30 minutes to cut 1 yard so it takes him 30*16 = 
<gadget id="calculator">30*16</gadget>
<output>480</output>
480 minutes.
There are 60 minutes in 1 hour and it takes him 480 minutes so that's a total of 480/60 = 
<gadget id="calculator">480/60</gadget>
<output>8</output>
8 hours.

<result>8</result>