The cost of commodity A is 80% of the price, the price of commodity B is 275 yuan, and the cost is 220 yuan. Now the store sells 1 commodity A and 2 commodity B together, and sells them at 90% of the sum of their prices. In this way, each set can make a profit of 80 yuan. How much is the cost of product A?
商品甲的成本是定价的80%，商品乙的定价是275元，成本是220元，现在商店把1件商品甲与2件商品乙配套出售，并且按它们定价之和的90%定价出售，这样每套可获利润80元，问商品甲的成本是多少元？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">275 * 2 * (9/10)</gadget>
<output>495</output>

<gadget id="calculator">220 * 2</gadget>
<output>440</output>

<gadget id="calculator">495 - 440</gadget>
<output>55</output>

<gadget id="calculator">80 - 55</gadget>
<output>25</output>

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

<gadget id="calculator">(9/10) - (4/5)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">25 / (1/10)</gadget>
<output>250</output>

<gadget id="calculator">250 * (4/5)</gadget>
<output>200</output>

<result>200</result>