If 300 trees are planted and 6 die, what is the survival rate of these trees?
植树300棵，死亡六棵，这批树的成活率是多少．
<gadget id="calculator">300 - 6</gadget>
<output>294</output>

<gadget id="calculator">294 / 300</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>