If a number is divided by 3, 4, and 5, the remainder is 1. What is the smallest number?
一个数除以3，4，5都余1，则这个数最小是多少．
<gadget id="calculator">3 * 4 * 5</gadget>
<output>60</output>

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

<result>61</result>