Longyou County is 29.37 kilometers long from east to west, and 61.5 kilometers long from north to south. How many kilometers is the difference between the east-west distance and the north-south distance?
龙游县东西长29.37千米，南北长61.5千米，东西距离与南北距离相差多少千米．
<gadget id="calculator">61.5 - 29.37</gadget>
<output>32.13</output>

<result>32.13</result>