A basket of apples, 2 or 5 apples can be taken at a time, what is the minimum number of apples in this basket?
一筐苹果，2个一拿或5个一拿正好拿完，这筐苹果最少应有多少个．
<gadget id="calculator">2 * 5</gadget>
<output>10</output>

<result>10</result>