Xiaohong typed 28 characters per minute, and Xiaoqing typed 30 characters per minute. How many minutes would it take for the two to type a manuscript with 1566 characters?
小红每分钟打28个字，小青每分钟打30个字，两个人合打一篇1566个的稿件，需要多少分钟？
<gadget id="calculator">28 + 30</gadget>
<output>58</output>

<gadget id="calculator">1_566 / 58</gadget>
<output>27</output>

<result>27</result>