The length of a colored ribbon is equal to (3/4) of its own length, plus (3/4) m, what is the length of the colored ribbon.
一根彩带的长度等于它本身长度的(3/4)，加上(3/4)m，这根彩带长多少．
<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>