A store bought 300 soft-cover notebooks, sold 10 copies at a retail price of 4 yuan, and sold 15 notebooks at a retail price of 3.5 yuan, and then sold them at a price of 3.2 yuan each. How much is the store’s total profit?
某商店进了300本软皮笔记本，零售价4元卖出10本与用零售价3.5元卖出15本的利润相同，后来以每本3.2元卖出，这个商店共盈利多少元？
<gadget id="calculator">15 * 3.5</gadget>
<output>52.5</output>

<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<gadget id="calculator">52.5 - 40</gadget>
<output>12.5</output>

<gadget id="calculator">15 - 10</gadget>
<output>5</output>

<gadget id="calculator">12.5 / 5</gadget>
<output>2.5</output>

<gadget id="calculator">4 - 2.5</gadget>
<output>1.5</output>

<gadget id="calculator">1.5 * 10 * 2</gadget>
<output>30</output>

<gadget id="calculator">3.2 - 2.5</gadget>
<output>0.7</output>

<gadget id="calculator">300 - 10 - 15</gadget>
<output>275</output>

<gadget id="calculator">0.7 * 275</gadget>
<output>192.5</output>

<gadget id="calculator">30 + 192.5</gadget>
<output>222.5</output>

<result>222.5</result>