In February 2016, according to the statistics of the Meteorological Department, the number of days with haze in Zhengzhou accounted for (9/20) of other weather in this month. Wang Erdan likes to run. He runs 1 lap a day in smoggy days and 3 laps a day in other weathers. How many laps did Zewang Erdan run in February 2016?
2016年2月，据气象部门统计，这个月郑州有雾霾的天数占其他天气的(9/20)．王二蛋喜欢跑步，他在雾霾天每天跑1圈，其它天气每天跑3圈．则王二蛋2016年2月总共跑了多少圈．
<gadget id="calculator">20 + 9</gadget>
<output>29</output>

<gadget id="calculator">9 / 29</gadget>
<output>9/29 = around 0.310345</output>

<gadget id="calculator">29 * (9/29)</gadget>
<output>9</output>

<gadget id="calculator">29 - 9</gadget>
<output>20</output>

<gadget id="calculator">20 * 3</gadget>
<output>60</output>

<gadget id="calculator">29 * (9/29) * 1</gadget>
<output>9</output>

<gadget id="calculator">60 + 9</gadget>
<output>69</output>

<result>69</result>