A box of candies, 5 of 5 and 2 left, or 6 of 6 and 3 left. What is the minimum number of candies in this box?
一盒糖果，5个5个地数剩2个，或者6个6个地数剩3个．请问这盒糖果最少有多少个？
<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">30 - 3</gadget>
<output>27</output>

<result>27</result>