198 trees planted in a primary school this year survived, and 2 did not survive. What is the survival rate?
某小学今年植的树活了198棵，有2棵没有成活，成活率是多少
<gadget id="calculator">198 + 2</gadget>
<output>200</output>

<gadget id="calculator">198 / 200</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>