A store sells at a fixed price, and each can make a profit of 50 yuan. If you sell 10 units at 50% of the list price, you will make as much profit as selling 12 units at a price reduction of 30 yuan each. How much is the price of each piece of this product.
某商店按定价出售，每个可获利50元．如果按定价的50%出售10件，则与按定价每个减价30元出售12件所获利润一样多．这种商品每件定价多少元．
<gadget id="calculator">50 - 30</gadget>
<output>20</output>

<gadget id="calculator">20 / 10</gadget>
<output>2</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">50 - 24</gadget>
<output>26</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">26 / (1/2)</gadget>
<output>52</output>

<result>52</result>