The total height of the Eiffel Tower on the Champ de Mars in Paris, France is about 324 meters, and the height of the Oriental Pearl TV Tower in Shanghai is about 468 meters. How many meters higher is the Oriental Pearl TV Tower than the Eiffel Tower?
法国巴黎战神广场上的埃菲尔铁塔总高约324米，上海的东方明珠电视塔高约468米，东方明珠电视塔比埃菲尔铁塔高多少米？
<gadget id="calculator">468 - 324</gadget>
<output>144</output>

<result>144</result>