The shop brought in a batch of suitcases and sold them at the fixed price, with a profit of 60 yuan each. Due to poor sales, the shop decided to sell them at 20% off the price, and ended up losing 9 yuan each. How much is the cost price of each suitcase?
商店运进一批皮箱，按定价出售，每只获利60元，由于销路不畅，商店决定按定价的8折出售，结果每只亏损9元．问这种皮箱每只成本价是多少元？
<gadget id="calculator">60 + 9</gadget>
<output>69</output>

<gadget id="calculator">1 - 0.8</gadget>
<output>0.2</output>

<gadget id="calculator">69 / 0.2</gadget>
<output>345</output>

<gadget id="calculator">345 - 60</gadget>
<output>285</output>

<result>285</result>