If the purchase price of a piece of clothing is 50 yuan, and you can still earn 34 yuan if you sell it at 40% off the marked price, what is the marked price?
一件衣服进价50元，按标价的六折售出仍能赚34元，则标价为多少元．
<gadget id="calculator">50 + 34</gadget>
<output>84</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">84 / (3/5)</gadget>
<output>140</output>

<result>140</result>