Two people, A and B, walk towards each other from AB. A walks 5 kilometers per hour, and B walks 3 kilometers per hour. When they meet, they are 3 kilometers away from the midpoint. How far is the distance between AB and AB?
甲乙两人从AB两地相向而行，甲每小时走5千米，乙每小时走3千米，两人相遇时距中点3千米，AB两地相距多远？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">3 * 1 * 8</gadget>
<output>24</output>

<result>24</result>