There is a three-digit number, if you add 4 to this number, it will be divisible by 4; if you subtract 5 from this number, it will be divisible by 5; if you multiply this number by 6, it will be divisible by 6; if you put This number is divisible by 7 when divided by 7. What is the smallest number?
有一个三位数，如果把这个数加上4，就能被4整除；如果把这个数减去5，就能被5整除；如果把这个数乘以6，就能被6整除；如果把这个数除以7，就能被7整除．这个数最小是几？
<gadget id="calculator">4 * 5 * 49</gadget>
<output>980</output>

<result>980</result>