Mom has a 5-yuan note, 4 2-yuan notes, 8 1-yuan notes, and spent 8 yuan to buy fruit. How many different ways does she hold it?
妈妈身上有一张5元纸币，4张2元纸币，8张1元纸币，买水果用了8元，她有多少种不同的拿法．
<gadget id="calculator">2 + 4 + 1</gadget>
<output>7</output>

<result>7</result>