The school planted 300 trees in spring, and 297 survived. What is the survival rate?
学校春季植树300棵，有297棵成活，成活率为多少．
<gadget id="calculator">297 / 300</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>