The price of a jacket store is 50% higher than the cost, but the sales are not smooth. In order to avoid too much inventory, the store has to sell it at a 40% discount. In this way, each jacket sold loses 15 yuan. How much will the store earn from selling a shirt.
一件上衣商店的售价比成本高出50%，但售路不畅，商店为了避免积压太多的库存，只得打六折出售，这样卖出的上衣每件亏了15元，那么按原价出售一件上衣商店将赚多少元．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">(3/5) * (1/2)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/5) - (3/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">15 / (1/10)</gadget>
<output>150</output>

<gadget id="calculator">150 * (1/2)</gadget>
<output>75</output>

<result>75</result>