piece of iron wire is exactly equal to (3/4) plus (3/4) meters of its total length. What is the total length of this wire in meters?
一根铁丝，正好等于它的全长的(3/4)加上(3/4)米，这根铁丝全长多少米．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/4) / (1/4)</gadget>
<output>3</output>

<result>3</result>