When a certain number is divided by 3, the remainder is 2, when divided by 5, the remainder is 2, and when divided by 7, the remainder is 4. What is the smallest number?
某数除于3余2，除于5余2，除于7余4，这个数最小是多少
<gadget id="calculator">30 + 2</gadget>
<output>32</output>

<result>32</result>