There is a box of apples, whether it is 4 numbers of 4, 5 numbers of 5, or 6 numbers of 6, the number is exactly counted. How many apples are there in this box?
有一箱苹果，不管是4个4个数，5个5个数，还是6个6个数都正好数完．这箱苹果至少有多少个？
<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>

<result>60</result>