After adding (1/5) to 12 meters, and then reducing it by 1 meter, how many meters is it?
12米增加它的(1/5)后，再减少1米，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">12 * (6/5)</gadget>
<output>72/5 = around 14.4</output>

<gadget id="calculator">(72/5) - 1</gadget>
<output>67/5 = around 13.4</output>

<result>67/5 = around 13.4</result>