On Arbor Day, the school organized sixth-grade students to plant 300 trees, and 291 survived. What is the survival rate?
植树节那天学校组织六年级学生共植树300棵，成活了291棵，成活率是多少．
<gadget id="calculator">291 / 300</gadget>
<output>97/100 = around 0.97</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(97/100) * 1</gadget>
<output>97/100 = around 0.97</output>

<result>97/100 = around 0.97</result>