The Young Pioneers planted 230 small trees in March, and 13 of them died. They planted another 220 in April, and 5 of them failed to survive. What is the survival rate of this batch of trees?
少先队员在三月份种下小树230棵，死了13棵，在四月份又种下了220棵，又有5棵未成活．这批树的成活率是百分之几？
<gadget id="calculator">432 / 450</gadget>
<output>24/25 = around 0.96</output>

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

<gadget id="calculator">(24/25) * 1</gadget>
<output>24/25 = around 0.96</output>

<result>24/25 = around 0.96</result>