When a number is divided by 7, the quotient is 6 and the remainder is 6. What is the number?
一个数除以7，商是6，余数是6，这个数是多少．
<gadget id="calculator">7 * 6</gadget>
<output>42</output>

<gadget id="calculator">42 + 6</gadget>
<output>48</output>

<result>48</result>