Given that the difference between two numbers and the quotient of these two numbers are both equal to 7, what is the sum of these two numbers?
已知两数的差与这两数的商都等于7，那么这两个数的和是多少．
<gadget id="calculator">7 - 1</gadget>
<output>6</output>

<gadget id="calculator">7 / 6</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">8 * (7/6)</gadget>
<output>28/3 = around 9.333333</output>

<result>28/3 = around 9.333333</result>