A pool is 6 meters long, 5 meters wide, and 2 meters deep. Now, square tiles with a side length of 5 decimeters are pasted around and on the bottom. How many such tiles are needed in total?
一个水池长6米，宽5米，深2米，现在四周及底面贴上边长5分米的正方形瓷砖，共需这样的瓷砖多少块？
<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<gadget id="calculator">6 * 2 * 2</gadget>
<output>24</output>

<gadget id="calculator">5 * 2 * 2</gadget>
<output>20</output>

<gadget id="calculator">30 + 24 + 20</gadget>
<output>74</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">5 * (1/20)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">74 / (1/4)</gadget>
<output>296</output>

<result>296</result>