A classroom is 8.4 meters long and 6.5 meters wide, and the floor is paved with square bricks of 0.2 square meters each. How many square bricks should be used?
一间教室长8.4米，宽6.5米，用每块0.2平方米的方砖铺地，要用方砖多少块？
<gadget id="calculator">6.5 / 0.2</gadget>
<output>32.5</output>

<gadget id="calculator">8.4 * 32.5</gadget>
<output>273</output>

<result>273</result>