The average altitude of the Yunnan-Guizhou Plateau is about 2000m, equivalent to 50% of the Pamirs. What is the average altitude of the Pamirs in m?
云贵高原的平均海拔高度约是2000m，相当于帕米尔高原的50%，帕米尔高原的平均海拔高度约是多少m．
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2_000 / (1/2)</gadget>
<output>4_000</output>

<result>4_000</result>