Li Fang's family has a flock of chickens. Whether she counted 2 by 2, 3 by 3, or 5 by 5, she just finished counting. How many chickens are there at least in this flock
李芳家有一群鸡．她无论是2只2只地数，3只3只地数，还是5只5只地数，都恰好数完．这群鸡至少有多少只
<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>

<result>30</result>