A walkway is 120 meters long, which is 10 times its width. If square bricks with a side length of 3 decimeters are used to pave the floor, how many bricks are needed?
一条走道长120米，是宽的10倍，如果用边长3分米的方砖铺地，需要多少块砖？
<gadget id="calculator">12 / 10</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(3/10) * (3/10)</gadget>
<output>9/100 = around 0.09</output>

<gadget id="calculator">10 / (9/100)</gadget>
<output>1_000/9 = around 111.111111</output>

<gadget id="calculator">120 * (6/5) * (1_000/9)</gadget>
<output>16_000</output>

<result>16_000</result>