A water tower is 23 meters high, and a TV transmission tower is 13 times as high as the water tower. How many meters higher is this TV tower than the water tower?
一座水塔高23米，一座电视发射塔的高度是水塔的13倍．这座电视发射塔比水塔高多少米？
<gadget id="calculator">13 - 1</gadget>
<output>12</output>

<gadget id="calculator">23 * 12</gadget>
<output>276</output>

<result>276</result>