The sixth graders of Yuhong Primary School planted trees this year, 54 trees survived, and 6 trees did not survive. What is the survival rate of these trees?
育红小学六年级学生今年植树，成活54棵，有6棵没有成活，这批树的成活率是多少．
<gadget id="calculator">54 + 6</gadget>
<output>60</output>

<gadget id="calculator">54 / 60</gadget>
<output>9/10 = around 0.9</output>

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

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

<result>9/10 = around 0.9</result>