The total length of the two ropes is 36 meters. If the first rope is increased by (1/4), it will be the same length as the second rope. What is the length of the first rope in meters?
两根绳子共长36米，如果第一根增加(1/4)，就与第二根一样长，则第一根绳长多少米．
<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">36 * (4/9)</gadget>
<output>16</output>

<result>16</result>