Two gardeners plan to green 4,000 square meters of ground in 15 days. The actual greening area exceeds the original (1/8), how many square meters of the actual greening ground?
园林工人2人计划用15天的时间绿化4000平方米的地面，实际绿化的面积超过原来的(1/8)，实际绿化地面多少平方米？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">4_000 * (9/8)</gadget>
<output>4_500</output>

<result>4_500</result>