If the students are divided into groups of 6 or 7 during the spring outing, there will be nothing left. These students are more than 200 and less than 250. How many of these students are there?
同学们春游，如果把他们分成6人一组或7人一组，都正好没有剩余，这些同学比200多，比250少，这些同学有多少人．
<gadget id="calculator">42 * 5</gadget>
<output>210</output>

<result>210</result>