What is the sum of the reciprocal of (5/7) and the reciprocal of 5?
(5/7)的倒数与5的倒数的和是多少．
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">1 / (5/7)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(7/5) + (1/5)</gadget>
<output>8/5 = around 1.6</output>

<result>8/5 = around 1.6</result>