If 6 is added to a number and divided by 8, the result is 7, what is the number?
某数加上6，再除以8，结果等于7，则这个数是多少．
<gadget id="calculator">7 * 8</gadget>
<output>56</output>

<gadget id="calculator">56 - 6</gadget>
<output>50</output>

<result>50</result>