sixth grader planted trees, but 49 trees survived and 1 tree died. What is the survival rate of the tree?
六年级同学种树，结果活了49棵，死了1棵，树的成活率是多少．
<gadget id="calculator">49 + 1</gadget>
<output>50</output>

<gadget id="calculator">49 / 50</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>