Mom bought some peaches. If 2 peaches are placed on a plate, there will be 1 more; if 3 peaches are placed on a plate, there will be 1 more peaches; How many peaches did mom buy at least?
妈妈买来一些桃子，如果2个放一盘，多出1个；如果3个放一盘，也多出1个；如果5个放一盘，还多出1个．妈妈最少买了多少个桃子？
<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>

<gadget id="calculator">30 + 1</gadget>
<output>31</output>

<result>31</result>