If the purchase price of a piece of clothing is 151 yuan, and you can still earn 65 yuan by selling it at 20% off the price, what is the price?
一件衣服进价151元，按标价八折出售仍赚65元，则标价是多少元．
<gadget id="calculator">151 + 65</gadget>
<output>216</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">216 / (4/5)</gadget>
<output>270</output>

<result>270</result>