The difference between two numbers is 6, and the quotient is also 6. What is the sum of these two numbers?
两个数的差是6，商也是6，则这两个数之和是﹖
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/5) * 6</gadget>
<output>36/5 = around 7.2</output>

<gadget id="calculator">(36/5) + (6/5)</gadget>
<output>42/5 = around 8.4</output>

<result>42/5 = around 8.4</result>