Tree planting this spring, a school wants to green a hillside, in order to ensure the completion of the tree planting task. According to the survival rate of 98%, 600 trees are actually planted. How many trees does the school plan to plant at least?
今年春季植树，某学校要绿化一片山坡，为了保证完成植树任务．按照成活率为98%栽种，实际栽树600棵，这所学校计划最少种活多少棵树？
<gadget id="calculator">98 / 100</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">600 * (49/50)</gadget>
<output>588</output>

<result>588</result>