Xiaohong's home is 879.2 meters away from the school. He rides a bicycle with an outer diameter of 0.7 meters to go to school. If the wheels rotate 80 times per minute, how many minutes will it take?
小红家离学校879.2米，他从家骑外直径是0.7米的自行车去上学，如果车轮每分钟转80周，需要几分钟？
<gadget id="calculator">3.14 * 0.7 * 80</gadget>
<output>175.84</output>

<gadget id="calculator">879.2 / 175.84</gadget>
<output>5</output>

<result>5</result>