The tourism hall fills an empty swimming pool with a length of 50 meters, a width of 25 meters and a depth of 1.6 meters. After 0.6 hours, the water depth reached 0.2 meters. In this case, how many hours can the swimming pool be filled with water? (Answer with proportional knowledge)
旅游馆向一个长50米，宽25米，深1.6米的空游泳池里注水．进过0.6小时水深达0.2米，这样的话，几小时能给游泳池注满水？(用比例知识解答)
<gadget id="calculator">50 * 25 * 1.6 * 0.6</gadget>
<output>1_200</output>

<gadget id="calculator">50 * 25 * 0.2</gadget>
<output>250</output>

<gadget id="calculator">1_200 / 250</gadget>
<output>24/5 = around 4.8</output>

<result>24/5 = around 4.8</result>