To build a wall that is 8 meters long, 5 decimeters wide, and 3 meters high, how many bricks are needed at least 2 decimeters long, 1 decimeter wide, and 6 centimeters high?
要砌一面长8米，宽5分米，高3米的墙，至少需要长2分米，宽1分米，高6厘米的砖多少块？
<gadget id="calculator">8 * 10</gadget>
<output>80</output>

<gadget id="calculator">3 * 10</gadget>
<output>30</output>

<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2 * 1 * (3/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">30 / (6/5)</gadget>
<output>25</output>

<gadget id="calculator">80 * 5 * 25</gadget>
<output>10_000</output>

<result>10_000</result>