The street garden is 300 meters east of the school, recorded as +300 meters, Qingqing walks 75 meters per minute, how much can Qingqing travel in 6 minutes?
街心花园在学校东侧300米，记作+300米，青青每分钟步行75米，6分钟后青青行的路程可以写作多少．
<gadget id="calculator">75 * 6</gadget>
<output>450</output>

<result>450</result>