There is a box of apples. There are 1 more than the number of 3, 1 more than the number of 4, and 1 more than the number of 5. What is the minimum number of apples in this box?
有一箱苹果，3个3个数多1个，4个4个数也多1个，5个5个数还多1个，这箱苹果至少多少个．
<gadget id="calculator">3 * 4 * 5</gadget>
<output>60</output>

<gadget id="calculator">60 + 1</gadget>
<output>61</output>

<result>61</result>