Since 10,000 years ago, the Qinghai-Tibet Plateau has been rising every year, and it has risen by (7/2) m in 50 years. How much is the average annual rise?
从一万年前开始，青藏高原每年都在上升，50年上升(7/2)m，求平均每年上升多少米？
<gadget id="calculator">7 / 2</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">(7/2) / 50</gadget>
<output>7/100 = around 0.07</output>

<result>7/100 = around 0.07</result>