Each floor of a building is 2.84 meters high, and Xiaohua lives on the sixth floor. How many meters is the floor of Xiaohua's house from the ground?
一幢大楼每层高2.84米，小华住在第6层．小华家的地板离地面多少米．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">2.84 * 5</gadget>
<output>14.2</output>

<result>14.2</result>