A piece of rope 36 meters long is divided into two sections according to 5:4, how many meters is the length of the longer section?
一段36米长的绳子，按5：4分成两段，较长的一段长多少米．
<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">36 * (5/9)</gadget>
<output>20</output>

<result>20</result>