Students in grade six went to plant trees. They planted 480 trees and 450 survived. What is the survival rate?
六年级的同学去植树，种了480棵树，有450棵成活，成活率是多少？
<gadget id="calculator">450 / 480</gadget>
<output>15/16 = around 0.9375</output>

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

<gadget id="calculator">(15/16) * 1</gadget>
<output>15/16 = around 0.9375</output>

<result>15/16 = around 0.9375</result>