The survival rate of a kind of sapling is 96%, and 384 trees need to be planted, at least how many saplings should be planted.
一种树苗的成活率是96%，要种活384棵树，至少要种多少棵树苗．
<gadget id="calculator">96 / 100</gadget>
<output>24/25 = around 0.96</output>

<gadget id="calculator">384 / (24/25)</gadget>
<output>400</output>

<result>400</result>