If 250 sunflowers were planted and 5 died, what is the survival rate of the sunflowers?
种了250棵向日葵，死了5棵，向日葵的成活率是多少．
<gadget id="calculator">250 - 5</gadget>
<output>245</output>

<gadget id="calculator">245 / 250</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>