What is the reciprocal of 2.5
2.5的倒数是多少
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">1 / (5/2)</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>