To welcome the Lantern Festival, the People’s Park will hang lanterns on one side of a 1,000-meter-long road in the park, one every 5 meters. If no lanterns are hung at both ends of the road, how many lanterns will be prepared in total?
为迎接元宵节，人民公园要在园内一条长1000米的路旁一侧悬挂灯笼，每5米放一盏，若路的两端不挂灯笼，一共需要准备多少盏灯笼？
<gadget id="calculator">1_000 / 5</gadget>
<output>200</output>

<gadget id="calculator">200 - 1</gadget>
<output>199</output>

<result>199</result>