Using a saw to cut a piece of cylindrical wood, how many times do you need to cut it into 5 equal pieces? How many
用锯子锯一段圆柱形的木材，想要锯成相等的5段需要锯几下？多少
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<result>4</result>