Xiaoqiao and Xiaoya set off from school to the bookstore to buy books. Xiaoqiao started 0.2 hours later than Xiaoya. Xiaoya walked an average of 100 meters per minute, and Xiaoqiao walked 140 meters per minute. Will Xiaoqiao catch up with Xiaoya in a few minutes?
小巧和小亚从学校出发去书店购书，小巧比小亚晚出发0.2小时，小亚平均每分钟走100米，小巧每分钟走140米，小巧几分钟后能赶上小亚？
<gadget id="calculator">140 - 100</gadget>
<output>40</output>

<gadget id="calculator">100 / 40</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">0.2 * 60 * (5/2)</gadget>
<output>30</output>

<result>30</result>