Plant a batch of saplings. The survival rate of such saplings is generally 75%. If 1200 saplings are to be ensured to survive, then at least how many saplings should be planted.
栽种一批树苗，这种树苗的成活率一般为75%，如果要确保1200棵树苗成活，那么至少应栽多少棵树苗．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1_200 / (3/4)</gadget>
<output>1_600</output>

<result>1_600</result>