Daxing shopping mall shipped 7 new energy-saving flashlights. 12 pieces each, with a total value of 504 yuan. How much is each flashlight?
大兴商场运来7件新型节能电筒．每件12只，总价值504元．每只电筒多少钱？
<gadget id="calculator">504 / 12</gadget>
<output>42</output>

<result>42</result>