A rope is cut into 2 sections, the first section is (1/4) meter long and the second section is (1/4) long, what is the length of this rope in meters?
一根绳子剪成2段，第一段长(1/4)米，第二段长(1/4)，这根绳长多少米．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/4) / (3/4)</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>