A wire is 1.2 meters long. After 20% is cut off, then 0.2 meters are cut off. How many meters are left?
一根电线长1.2米，截去20%后，再截去0.2米，还剩多少米？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1.2 * (4/5)</gadget>
<output>0.96</output>

<gadget id="calculator">0.96 - 0.2</gadget>
<output>0.76</output>

<result>0.76</result>