147 sunflowers planted by the students survived and 3 died. What is the survival rate?
同学们种的向日葵活了147棵，死了3棵，成活率是多少．
<gadget id="calculator">147 + 3</gadget>
<output>150</output>

<gadget id="calculator">147 / 150</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>