To celebrate New Year's Day, the pedestrian street is decorated with lights and festoons, and a red lantern is hung every 10 meters from one end of the street to the other (neither end is hung). The total length of the pedestrian street is 600 meters. If red lanterns are hung on one side of the street, the total How many red lanterns are hung? How many
为了欢度元旦，步行街张灯结彩，从街的一头到另一头每隔10米挂一盏红灯笼(两头都不挂)，步行街全长600米，如果在街的一边挂红灯笼，那么一共要挂多少盏红灯笼？多少
<gadget id="calculator">600 / 10</gadget>
<output>60</output>

<gadget id="calculator">60 - 1</gadget>
<output>59</output>

<result>59</result>