It is necessary to dig a cuboid reservoir, which is planned to store 720 tons of water. It is known that the length of the reservoir is 24 meters and the width is 6 meters. How deep is at least how many meters? (1 cubic meter of water weighs 1 ton, use the equation to solve)
要挖一个长方体的蓄水池，计划能蓄水720吨，已知水池的长是24米，宽是6米．深至少是多少米？(1立方米的水重1吨，用方程解)
<gadget id="calculator">24 * 6</gadget>
<output>144</output>

<gadget id="calculator">720 / 1 / 144</gadget>
<output>5</output>

<result>5</result>