In order to green the city, a certain street needs to plant a batch of saplings, and the survival rate of these saplings is 75% to 80%. If 1400 saplings are to be planted alive, at least how many saplings must be planted.
为绿化城市，某街道要栽种一批树苗，这批树苗的成活率是75%～80%．如果要栽活1400棵树苗，至少要栽种多少棵．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_400 / (4/5)</gadget>
<output>1_750</output>

<result>1_750</result>