piece of iron wire cuts off (1/3) of it, exactly 25 meters, what is the original length of this iron wire in meters?
一根铁丝截去它的(1/3)，正好截去25米，这根铁丝原长是多少米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">25 / (1/3)</gadget>
<output>75</output>

<result>75</result>