When a number is divided by 7, the quotient is 36 and the remainder is 4. What is this number?
一个数除以7，商是36，余数是4．这个数是多少．
<gadget id="calculator">36 * 7</gadget>
<output>252</output>

<gadget id="calculator">252 + 4</gadget>
<output>256</output>

<result>256</result>