A cuboid water tank is made of iron sheet, the bottom of the water tank is a square with a side length of 5 decimeters and a height of 1 meter. If 175 liters of water are poured into this tank, how deep is the water in the tank? (The thickness of the iron sheet is not counted)
用铁皮做一个长方体的水箱，水箱的底面是边长5分米的正方形，高1米．如果把175升水倒入这个水箱，水箱内的水深多少分米？(铁皮的厚度不计)
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">175 / 25</gadget>
<output>7</output>

<result>7</result>