It took 24 hours for a piece of wood to float along the river from point A to point B by the river. The speed of a speedboat in still water is 18 km/h, and the time it takes to travel from A to B is (3/5) the time it takes to travel from B to A. What is the distance between AB and AB?
一块木片沿河漂流，从河边的A地到B地，用了24小时．一只快艇在静水中的速度是18千米/小时，它从A驶到B所用的时间是从B驶到A所用时间的(3/5)．则AB间的距离是多少千米．
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">18 / 4</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">(9/2) * 24</gadget>
<output>108</output>

<result>108</result>