The ratio of the number of tourists received in the first half of a tourist attraction to the number of tourists received in the second half of the year is 3:4, the number of tourists received in the third quarter is 3/4 of that in the first half of the year, and the number of tourists received in the fourth quarter is 490,000. How many million tourists did this scenic spot receive last year?
一个旅游景区的上半年接待游客数与下半年接待游客数的比是3：4，第三季度接待游客是上半年的(3/4)，第四季度接待的游客数是49万人．这个风景区去年全年接待游客多少万人？
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(4/3) - (3/4)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">49 / (7/12)</gadget>
<output>84</output>

<gadget id="calculator">84 * (3/4)</gadget>
<output>63</output>

<gadget id="calculator">84 + 63</gadget>
<output>147</output>

<result>147</result>