If the difference between two numbers is 5 and the quotient is also 5, what is the sum of these two numbers?
两个数的差是5，商也是5，那么这两数的和是多少．
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(5/4) * 5</gadget>
<output>25/4 = around 6.25</output>

<gadget id="calculator">(5/4) + (25/4)</gadget>
<output>15/2 = around 7.5</output>

<result>15/2 = around 7.5</result>