The wholesale price of a newspaper is 1.8 yuan, and the retail price is 2.5 yuan. Aunt Wang earned 56 yuan by selling newspapers on Sunday. How many newspapers did she sell?
一份报纸的批发价是1.8元，零售价是2.5元，王阿姨星期天卖报赚了56元，她卖出了多少份报纸？
<gadget id="calculator">2.5 - 1.8</gadget>
<output>0.7</output>

<gadget id="calculator">56 / 0.7</gadget>
<output>80</output>

<result>80</result>