A building has 18 floors, 3 floors underground, and 15 floors above ground. A person takes an elevator from 2 floors underground to 10 floors above ground. If the height of each floor is 3 meters, how many meters does the elevator rise in total?
某大楼有18层，地下3层，地上15层，某人乘电梯由地下2层上升到地上10层．若每层楼高都是3米，则电梯共上升多少米．
<gadget id="calculator">10 - (-2) - 1</gadget>
<output>11</output>

<gadget id="calculator">3 * 11</gadget>
<output>33</output>

<result>33</result>