A dog barks 30 times per minute.  If 2 dogs bark 30 times per minute, how many times will they have barked after 10 minutes?
There are 2 dogs and they each bark 30 times per minute so together they bark 2*30 = 
<gadget id="calculator">2*30</gadget>
<output>60</output>
60 times per minute
2 dogs bark a combined total of 60 times per minutes, after 10 minutes they will have barked 60*10 = 
<gadget id="calculator">60*10</gadget>
<output>600</output>
600 times.

<result>600</result>