A total of 80 trees were planted in the sixth grade, and 4 trees did not survive. What is the survival rate?
六年级共植树80棵，4棵没有成活，成活率是多少．
<gadget id="calculator">80 - 4</gadget>
<output>76</output>

<gadget id="calculator">76 / 80</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>