It takes Jennifer 20 minutes to groom each of her 2 long hair dachshunds.  If she grooms her dogs every day, how many hours does she spend grooming her dogs in 30 days?
She has 2 dogs and it takes 20 minutes to groom just 1 dog so it takes her 2*20 = 
<gadget id="calculator">2*20</gadget>
<output>40</output>
40 minutes per day to groom 2 dogs.
In 30 days, she will have spent 30*40 = 
<gadget id="calculator">30*40</gadget>
<output>1_200</output>
1,200 minutes grooming her dogs.
There are 60 minutes in an hour so she spends 1200/60 = 
<gadget id="calculator">1200/60</gadget>
<output>20</output>
20 hours grooming her dogs.

<result>20</result>