Uncle Zhang and Uncle Li’s family each have a rectangular land with the same area. Uncle Zhang’s land is 45.6 meters long and 31.5 meters wide. Uncle Li’s land is 42 meters long and how many meters wide?
张大伯与李大伯家各有一块面积相等的长方形地，张大伯家的地长45.6米，宽31.5米，李大伯家的地长42米，宽是多少米？
<gadget id="calculator">31.5 / 42</gadget>
<output>0.75</output>

<gadget id="calculator">45.6 * 0.75</gadget>
<output>34.2</output>

<result>34.2</result>