The garden company planted trees, 392 survived and 8 failed. What is the survival rate?
园林公司植树，有392棵成活，8棵没成活，成活率是多少．
<gadget id="calculator">392 + 8</gadget>
<output>400</output>

<gadget id="calculator">392 / 400</gadget>
<output>49/50 = around 0.98</output>

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

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>