Xiaomei's home is 1,200 meters away from the school. Xiaomei goes to school. The ratio of the distance traveled to the distance traveled is 3:5. How many meters has she traveled?
小美的家离学校1200米，小美去上学，已行的路程与未行的路程之比是3：5，已行了多少米？
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1_200 * (3/8)</gadget>
<output>450</output>

<result>450</result>