The students participated in the tree planting activity. A total of 98 trees survived, and 2 trees did not survive. What is the survival rate of planted trees?
同学们参加植树活动，种植的树木中一共成活了98棵，2棵没有成活．种植树木的成活率是多少．
<gadget id="calculator">98 + 2</gadget>
<output>100</output>

<gadget id="calculator">98 / 100</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>