Meimei walks 200 steps, which is about 100 meters. She walks 800 steps from home to school. How long is the distance between her home and school?
美美走200步大约是100米，她从家到学校走了800步，她家到学校大约多少米？
<gadget id="calculator">100 / 200</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 800</gadget>
<output>400</output>

<result>400</result>