Xiaoqiao and Xiaoya set off from school to go to the Children's Palace by bike. It is known that Xiaoqiao travels 220 meters per minute, and Xiaoya travels 280 meters per minute. After Xiaoqiao walked 660 meters first, Xiaoya set off, but they both arrived at the same time. How many minutes did Xiaoya ride the bike?
小巧和小亚先后从学校出发骑车去少年宫．已知小巧每分钟行220米，小亚每分钟行280米．小巧先行了660米后，小亚才出发，结果两人同时到达．小亚骑车行了多少分钟？
<gadget id="calculator">280 - 220</gadget>
<output>60</output>

<gadget id="calculator">660 / 60</gadget>
<output>11</output>

<result>11</result>