If a commodity is sold at a fixed price, each can make a profit of 50 yuan. If 10 pieces are sold at a discount of 20 yuan, the profit is the same as that of selling 12 pieces at a discount of 30 yuan each. This means that each piece of this commodity is priced How much is it:?
某商品按定价出售，每个可获得利润50元，如果按定价的八折出售10件，与按定价每个减价30元出售12件所荻得利润一样多，回这种商品每件定价是多少元：？
<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>