In a tree planting activity, 300 young saplings were planted, and 15 of them did not survive. What is the survival rate of this batch of saplings?
在一次植树活动中，栽下300棵小树苗，有15棵没成活．这批树苗的成活率是多少？
<gadget id="calculator">300 - 15</gadget>
<output>285</output>

<gadget id="calculator">285 / 300</gadget>
<output>19/20 = around 0.95</output>

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

<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>