In a basket of oranges, take 2 for 2, 3 for 3, or 5 for 5, and there is exactly 1 left. What is the minimum number of oranges in this basket?
一篮橘子，2个2个拿，3个3个拿，或5个5个拿，都正好剩1个，这篮橘子最少有多少个．
<gadget id="calculator">5 * 3 * 2</gadget>
<output>30</output>

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

<result>31</result>