A box of candies, 5 5 land numbers, or 6 6 land numbers are exactly counted. What is the minimum number of candies in this box?
一盒糖果，5个5个地数，或者6个6个地数都正好数完．请问这盒糖果最少有多少个？
<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<result>30</result>