According to the scale of 1::100, the elder brother draws the line segment representing the length of the classroom in acm, and the younger brother draws the line segment representing the length of the same classroom in cm according to the scale of 1:150.
哥哥按1：：100的比例尺，画出表示教室长度的线段是acm，弟弟按1：150的比例尺，画出表示同一间教室长度的线段应是多少cm．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>