A piece of iron wire, if 20% of it is used, there will be 4.8 left. According to this calculation, if (3/8) of it is used, how many meters should be left?
一根铁丝，如果用去它的20%，就剩下4.8，照这样计算，如果要用去它的(3/8)，应该剩下多少米？
<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">4.8 / (4/5)</gadget>
<output>6</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">6 * (5/8)</gadget>
<output>15/4 = around 3.75</output>

<result>15/4 = around 3.75</result>