When a number is divided by 7, the quotient is 101 and the remainder is 4. What is the number?
一个数除以7，商是101，余数是4，这个数是多少．
<gadget id="calculator">101 * 7</gadget>
<output>707</output>

<gadget id="calculator">707 + 4</gadget>
<output>711</output>

<result>711</result>