According to statistics, from April 28 to May 7 this year, a total of 38.57 million tourists were transported by railways across the country, an increase of 5.8% over the same period last year. How many million tourists were transported in the same period last year? What is the column
据统计，今年从四月二十八日起到五月七日止，全国铁路共运输游客达3857万人次，比去年同期增长了5.8%，求去年同期运输游客约多少万人次？列式为多少
<gadget id="calculator">5.8 / 100</gadget>
<output>0.058</output>

<gadget id="calculator">1 + 0.058</gadget>
<output>1.058</output>

<gadget id="calculator">3_857 / 1.058</gadget>
<output>3_645.557656</output>

<result>3_645.557656</result>