Put 10 colored flags on both sides of (4/5) kilometers of cement road on average (both ends inserted). If the distance between two adjacent colored flags on the same side is the same, find the distance between two adjacent colored flags.
把10面彩旗平均插在(4/5)千米的水泥路两侧(首尾都插)，如果同一侧相邻两面彩旗之间的距离都相同，求相邻两面彩旗之间的距离．
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">(4/5) / 4</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) * 1_000</gadget>
<output>200</output>

<result>200</result>