A swimming pool is 30m long, 10m wide, and 16dm wide. The walls and floor of the swimming pool are paved with tiles. If 25 tiles are used per square meter, how many tiles are needed in total?
一个游泳池长30m，宽10m，宽16dm，游泳池的四壁和地面用瓷砖铺砌，如果每平方米用瓷砖25块，则一共需多少块瓷砖？
<gadget id="calculator">16 / 10</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">30 * 10 * (8/5) * 25</gadget>
<output>12_000</output>

<result>12_000</result>