Students in class 51 planted trees, 975 survived and 25 died. What is the survival rate of these trees?
五一班的同学植树，活了975棵，死了25棵，这些树木的成活率是多少．
<gadget id="calculator">975 + 25</gadget>
<output>1_000</output>

<gadget id="calculator">975 / 1_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>