Mingming brings 10 yuan to buy stationery, 0.5 yuan per pencil, 0.3 yuan per piece of colored paper, obviously buys 5 pencils, and buys colored paper with the rest of the money, how many colored papers can I get?
明明带10元钱去买文具，每支铅笔0.5元，每张彩纸0.3元，明明买了5支铅笔，剩下的钱买彩纸，还可以几张彩纸？
<gadget id="calculator">0.5 * 5</gadget>
<output>2.5</output>

<gadget id="calculator">10 - 2.5</gadget>
<output>7.5</output>

<gadget id="calculator">7.5 / 0.3</gadget>
<output>25</output>

<result>25</result>