A farm planted a batch of saplings, 396 of which survived and 4 died. What is the survival rate of this batch of saplings?
某农场栽了一批树苗，活了396棵，死亡4棵，这批树苗的成活率是多少．
<gadget id="calculator">396 + 4</gadget>
<output>400</output>

<gadget id="calculator">396 / 400</gadget>
<output>99/100 = around 0.99</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(99/100) * 1</gadget>
<output>99/100 = around 0.99</output>

<result>99/100 = around 0.99</result>