A basket of oranges, distribute it to 5, 7, 10 children, there is 1 remaining, what is the minimum number of oranges in this basket?
一筐橘子，把它分给5个、7个、10个小朋友，都余1个，这筐橘子最少有多少个．
<gadget id="calculator">2 * 5 * 7</gadget>
<output>70</output>

<gadget id="calculator">70 + 1</gadget>
<output>71</output>

<result>71</result>