A certain product is sold at a fixed price, and each can earn a profit of 50 yuan. If selling 10 units at 80% of the list price makes as much profit as selling 12 units at a discount of $30 each, what is the price per unit of this item?
某商品按定价出售，每个可获得利润50元．如果按定价的80%出售10件，与按定价每个减价30元出售12件所获得的利润一样多，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">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">26 / (1/5)</gadget>
<output>130</output>

<result>130</result>