The students planted trees. A total of 80 trees were planted, and 75 survived. What is the survival rate?
同学们植树，一共植了80棵树，有75棵成活，成活率是多少．
<gadget id="calculator">75 / 80</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>