Feiyun Yalin Farm plans to plant 1,800 fruit trees. 100 trees were planted first, and 10 of them did not survive. What is the survival rate of saplings during trial planting?
飞云雅琳农园，计划种植1800棵果树．先试种了100棵，其中没有成活的有10棵．试种时树苗的成活率是多少？
<gadget id="calculator">100 - 10</gadget>
<output>90</output>

<gadget id="calculator">90 / 100</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>