For a line segment 6 meters long, how many meters is it after adding (1/5) to it?
一条6米长的线段，增加它的(1/5)后是多少米．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

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

<result>36/5 = around 7.2</result>