Car A is moving forward at a speed of 60 kilometers per hour, and car B is catching up at a speed of 100 kilometers per hour. Then, 9 seconds before car B catches up with car A, how many meters are there between the two cars?
甲车以每小时60千米的速度前进，乙车以每小时100千米的速度追赶，则在乙车追上甲车前9秒钟，两车相距多少米．
<gadget id="calculator">250 / 9</gadget>
<output>250/9 = around 27.777778</output>

<gadget id="calculator">50 / 3</gadget>
<output>50/3 = around 16.666667</output>

<gadget id="calculator">(250/9) - (50/3)</gadget>
<output>100/9 = around 11.111111</output>

<gadget id="calculator">(100/9) * 9</gadget>
<output>100</output>

<result>100</result>