The height of a red-crowned crane is 1.2 meters, and the height of an ostrich is 0.8 meters less than three times the height of the red-crowned crane. How many meters is the height of the ostrich?
一只丹顶鹤的身高是1.2米，一只鸵鸟的身高比丹顶鹤的身高的3倍少0.8米，鸵鸟的身高是多少米？
<gadget id="calculator">1.2 * 3</gadget>
<output>3.6</output>

<gadget id="calculator">3.6 - 0.8</gadget>
<output>2.8</output>

<result>2.8</result>