The survival rate of a batch of trees is 95%. After technical improvement, the number of unsurviving trees has been reduced by 10%. What is the survival rate of this batch of trees now?
一批树木的成活率为95%，经过技术改良后，未成活的树木减少了10%，现在这批树木的成活率达到多少
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1 - (19/20)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(1/20) * (9/10)</gadget>
<output>9/200 = around 0.045</output>

<gadget id="calculator">1 - (9/200)</gadget>
<output>191/200 = around 0.955</output>

<result>191/200 = around 0.955</result>