A box of apples, 2 pieces of 2 pieces, 5 pieces of 5 pieces, 7 pieces of 7 pieces, all of which can be finished, then at least how many apples are there in this box.
一箱苹果，2个2个地拿，5个5个地拿，7个7个地拿，都正好能拿完，那么这箱苹果至少有多少个．
<gadget id="calculator">2 * 5 * 7</gadget>
<output>70</output>

<result>70</result>