The school planted 500 trees, 495 survived and 5 died. What is the survival rate?
学校栽树500棵，成活495棵，死亡5棵，成活率是多少．
<gadget id="calculator">495 / 500</gadget>
<output>99/100 = around 0.99</output>

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

<gadget id="calculator">(99/100) * 1</gadget>
<output>99/100 = around 0.99</output>

<result>99/100 = around 0.99</result>