Class 1, grade 5, planted 50 trees, and the survival rate was 96%. How many trees did not survive?
五年级1班同学植树50棵，成活率是96%，没有成活的树有多少棵．
<gadget id="calculator">96 / 100</gadget>
<output>24/25 = around 0.96</output>

<gadget id="calculator">1 - (24/25)</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">50 * (1/25)</gadget>
<output>2</output>

<result>2</result>