Guangming Primary School planted 20 trees and 19 survived. What is the survival rate?
光明小学种了20棵树，活了19棵，成活率是多少．
<gadget id="calculator">19 / 20</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>