A table tennis ball falls freely from a height of 25 meters, and the height of each jump is 2/5 of the height of the drop. How many meters can it jump after the second fall?
一个乒乓球从25米的高处自由下落，每次跳起的高度是下落高度的2/5，它第二次下落后又能跳起多少米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">25 * (2/5) * (2/5)</gadget>
<output>4</output>

<result>4</result>