There are two pools, large and small, with 300 cubic meters of water in the large pool and 70 cubic meters in the small pool. Now pour the same amount of water into the two pools so that the volume of the large pool is three times that of the small pool. Ask each How many cubic meters of water should the pool be filled with?
有大小两个水池，大池里有水300立方米，小水池里有水70立方米，现在往两个水池里注入同样多的水，使大水池水量是小水池水量的3倍，问每个水池应注入多少立方米的水？
<gadget id="calculator">300 - 70</gadget>
<output>230</output>

<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">230 / 2</gadget>
<output>115</output>

<gadget id="calculator">115 - 70</gadget>
<output>45</output>

<result>45</result>