The length of a rope is equal to (3/4) of its own length plus (3/4) meters, how long is the rope in meters?
一根绳子的长度等于它本身长度的(3/4)加上(3/4)米，这根绳子长多少米．
<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>