In a basket of apples, 3 apples are counted by 3 lands, 4 apples are counted by 4 lands, and 5 apples are counted by 5 lands. They are all exactly counted. How many apples are there at least in this basket?
一筐苹果，3个3个地数，4个4个地数，5个5个地数，都正好数完，这筐苹果至少有多少个？
<gadget id="calculator">3 * 4 * 5</gadget>
<output>60</output>

<result>60</result>