Xiao Zhang and Xiao Li ride bicycles from point A at the same time and go in the same direction. Xiao Zhang’s speed is 3 kilometers per hour faster than Xiao Li’s. When Li arrives at point B, Xiao Zhang advances another 5 kilometers. How many kilometers is the distance between A and B?
小张和小李同时骑车从A地发，同向而行，小张的速度比小李的速度每小时快3千米，小张比小李早20分钟通过途中的B地，当小李到达B地时，小张又前进5千米，A、B两地之间的距离是多少千米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">5 / (1/3)</gadget>
<output>15</output>

<gadget id="calculator">15 - 3</gadget>
<output>12</output>

<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">12 * (5/3)</gadget>
<output>20</output>

<result>20</result>