A and B are riding bicycles in the same direction on the road. A's speed is 11 km/h and B's speed is 13 km/h. A arrives at point A on the highway at 11:00 in the morning, and B arrives at point B 21 kilometers ahead of point A at 2:00 pm. When B catches up with A, how many kilometers away are they from point A? (answer in two ways)
甲、乙两人在公路上骑自行车同向行驶，甲的速度是11千米/小时，乙的速度是13千米/小时．上午11时甲到达公路的A地，下午2时乙到达A地前方21千米的B地，当乙追上甲时，他们距A地多少千米？(用两种方法解答)
<gadget id="calculator">14 - 11</gadget>
<output>3</output>

<gadget id="calculator">11 * 3</gadget>
<output>33</output>

<gadget id="calculator">33 - 21</gadget>
<output>12</output>

<gadget id="calculator">13 - 11</gadget>
<output>2</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 * 11</gadget>
<output>66</output>

<gadget id="calculator">66 + 33</gadget>
<output>99</output>

<result>99</result>