A total of 1,000 trees were planted in the sixth grade, and 980 trees survived. What is the survival rate?
六年级共植树1000棵，活了980棵，成活率是多少．
<gadget id="calculator">980 / 1_000</gadget>
<output>49/50 = around 0.98</output>

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

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>