Build a cuboid swimming pool with a length of 30m, a width of 10m, and a depth of 1.6m. The sides and bottom of the pool are paved with tiles. If 25 tiles are used per square meter, how many tiles are needed?
建造一个长方体的游泳池，长30m，宽10m，深1.6m，池子的四周和底面用瓷砖铺砌，如果每平方米用瓷砖25块，共需要多少块？
<gadget id="calculator">30 * 10</gadget>
<output>300</output>

<gadget id="calculator">30 * 1.6 * 2</gadget>
<output>96</output>

<gadget id="calculator">10 * 1.6 * 2</gadget>
<output>32</output>

<gadget id="calculator">300 + 96 + 32</gadget>
<output>428</output>

<gadget id="calculator">428 * 25</gadget>
<output>10_700</output>

<result>10_700</result>