A wire uses 37.5% of its total length for the first time, and 27 meters for the second time. At this time, the length ratio of the used wire to the unused wire is 3:2. How long is this wire originally?
一根电线，第一次用去全长的37.5%，第二次用去27米，这时已用的电线与没用的电线的长度比是3：2．这根电线原来长多少米？
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">37.5 / 100</gadget>
<output>0.375</output>

<gadget id="calculator">(3/5) - 0.375</gadget>
<output>0.225</output>

<gadget id="calculator">27 / 0.225</gadget>
<output>120</output>

<result>120</result>