There is a water pipe, cut off (1/4) for the first time, cut off 1.2 meters more than the first time, leaving 3.8 meters. How long is this pipe in meters?
有一根水管，第一次截去它的(1/4)，第二次截去的比第一次多1.2米，还剩下3.8米．这根水管全长是多少米？
<gadget id="calculator">3.8 + 1.2</gadget>
<output>5</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4) - (1/4)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">5 / (1/2)</gadget>
<output>10</output>

<result>10</result>