During his summer break, Luke catches 2 fish every day for 30 days.  If each fish gives him 2 fillets, then how many fish fillets does he have?
He catches 2 fish every day for 30 days so he catches 2*30 = 
<gadget id="calculator">2*30</gadget>
<output>60</output>
60 fish.
Each fish yields 2 fillets so he has 2*60 = 
<gadget id="calculator">2*60</gadget>
<output>120</output>
120 fish fillets.

<result>120</result>