A piece of land has 6.48 hectares, sowing with a seeder, the working width is 1.8 meters, if it is pulled by a tractor, it can travel 6 kilometers per hour. How many hours will it take to seed the field?
一块地有6.48公顷，用一台播种机播种，作业宽度1.8米，如果用拖拉机牵引，每小时可行6千米．播种完这块地需要多少小时？
<gadget id="calculator">6.48 * 10_000</gadget>
<output>64_800</output>

<gadget id="calculator">6 * 1_000</gadget>
<output>6_000</output>

<gadget id="calculator">1.8 * 6_000</gadget>
<output>10_800</output>

<gadget id="calculator">64_800 / 10_800</gadget>
<output>6</output>

<result>6</result>