The length of the school playground is 200 meters, draw it on the scale of 1:10000, how many centimeters should be drawn
学校操场的长是200米，把它画在比例尺是1：10000的图上，应画多少厘米
<gadget id="calculator">200 * 100</gadget>
<output>20_000</output>

<gadget id="calculator">1 / 10_000</gadget>
<output>1/10_000 = around 0.0001</output>

<gadget id="calculator">20_000 * (1/10_000)</gadget>
<output>2</output>

<result>2</result>