The students participated in the tree planting activity. A total of 200 trees were planted. 10 of them did not survive. What is the survival rate?
同学们参加植树活动，共植树200棵，有10棵没有成活，成活率是多少．
<gadget id="calculator">200 - 10</gadget>
<output>190</output>

<gadget id="calculator">190 / 200</gadget>
<output>19/20 = around 0.95</output>

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

<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>