800 trees were planted in the sixth grade, and 40 of them did not survive. What is the survival rate?
六年级植树800棵，有40棵没活，成活率是多少．
<gadget id="calculator">800 - 40</gadget>
<output>760</output>

<gadget id="calculator">760 / 800</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>