Master Wang’s house needs 1,200 bricks to pave the floor with 9 square decimeters per brick; how many bricks are needed if each brick is 6 decimeters square? (Solve with ratio)
王师傅家要铺地板砖，用每块砖9平方分米的铺，需要1200块；如果用每块砖6平方分米铺，需要多少块？(用比例解)
<gadget id="calculator">9 * 1_200</gadget>
<output>10_800</output>

<gadget id="calculator">10_800 / 6</gadget>
<output>1_800</output>

<result>1_800</result>