A basic provincial situation in Zhejiang Province is that the land area is only 1% of the total area of the country's 9.6 million square kilometers, and this 1% is "seven mountains, one water and two fields" (the area ratio of mountains, water, and fields is 7: 1:2), how big is the mountainous area of Zhejiang Province?
浙江省的一个基本省情是国土面积只有全国960万平方千米总面积的1%，而且这1%又是"七山一水两分田"(山、水、田的面积比是7：1：2)，浙江省的山地面积有多大？
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">7 + 1 + 2</gadget>
<output>10</output>

<gadget id="calculator">(1/100) / 10</gadget>
<output>1/1_000 = around 0.001</output>

<gadget id="calculator">960 * (1/1_000) * 7</gadget>
<output>168/25 = around 6.72</output>

<result>168/25 = around 6.72</result>