How many apples are there in a basket, 2 are counted by 2 lands, one is missing, 3 are counted by 3 lands, one is missing, 5 are counted by 5 lands, and one is missing, how many apples are there at least in this basket?
一筐苹果有若干个，2个2个地数，少一个，3个3个地数，少一个，5个5个地数，也少一个，这筐苹果至少有多少个？
<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>

<gadget id="calculator">30 - 1</gadget>
<output>29</output>

<result>29</result>