When a number is divided by 7, the quotient and remainder are both 6, what is the dividend?
一个数除以7，商和余数都是6，被除数是多少．
<gadget id="calculator">6 * 7</gadget>
<output>42</output>

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

<result>48</result>