Xiao Ming's home is 200 meters east of Zhenhuai Tower, which is recorded as +200 meters. Now he walks west from home for 8 minutes, at a rate of 55 meters per minute. After 8 minutes, Xiao Ming's position can be expressed in meters.
小明家在镇淮楼东边200米处，记作+200米，现在他从家往西走8分钟，每分钟走55米，8分钟后小明所处的位置可以用多少米表示．
<gadget id="calculator">55 * 8</gadget>
<output>440</output>

<gadget id="calculator">440 - 200</gadget>
<output>240</output>

<result>240</result>