There are no more than 500 apples in the basket, if two at a time, three at a time, four at a time, five at a time, six at a time, there will be one apple left in the basket, and if Take out seven at a time, then there are no apples left, how many apples are there in the basket?
篮子里装有不多于500个苹果，如果每次二个，每次三个，每次四个，每次五个，每次六个地取出来，篮子中都剩下一个苹果，而如果每次七个地取出，那么没有苹果剩下，篮子中共有苹果多少个．
<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>

<gadget id="calculator">60 * 5</gadget>
<output>300</output>

<gadget id="calculator">300 + 1</gadget>
<output>301</output>

<result>301</result>