Class 2 of grade 6 planted 50 trees in spring, and 4 of them did not survive. What is the survival rate?
六年级二班同学春季植树50棵，其中4棵没活，则成活率为多少．
<gadget id="calculator">50 - 4</gadget>
<output>46</output>

<gadget id="calculator">46 / 50</gadget>
<output>23/25 = around 0.92</output>

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

<gadget id="calculator">(23/25) * 1</gadget>
<output>23/25 = around 0.92</output>

<result>23/25 = around 0.92</result>