The fourth grade students carried out tree planting activities. 100 trees survived, and 25 trees did not survive. What is the survival rate?
四年级同学开展植树活动，成活了100棵，25棵没有成活，成活率是多少
<gadget id="calculator">100 + 25</gadget>
<output>125</output>

<gadget id="calculator">100 / 125</gadget>
<output>4/5 = around 0.8</output>

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

<gadget id="calculator">(4/5) * 1</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>