The whole school planted 400 trees in spring, but 24 of them did not survive. What is the survival rate?
全校春季植树400棵，结果有24棵没有成活，成活率多少．
<gadget id="calculator">400 - 24</gadget>
<output>376</output>

<gadget id="calculator">376 / 400</gadget>
<output>47/50 = around 0.94</output>

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

<gadget id="calculator">(47/50) * 1</gadget>
<output>47/50 = around 0.94</output>

<result>47/50 = around 0.94</result>