A certain school established a "Hongfan Green Forest" tree planting base in its education base, and as of May this year, a total of 2,000 trees have been planted. Among them, 1950 trees survived. What is the survival rate of tree planting?
某校在其教育基地建立了"宏帆绿林"植树基地，截止到今年5月共植树2000棵．其中成活了1950棵，植树的成活率是多少？
<gadget id="calculator">1_950 / 2_000</gadget>
<output>39/40 = around 0.975</output>

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

<gadget id="calculator">(39/40) * 1</gadget>
<output>39/40 = around 0.975</output>

<result>39/40 = around 0.975</result>