Xiaodong and Xiaohong made 100 flowers for the "June 1st" celebration. The two of them do it at the same time, Xiaodong makes one flower every 6 minutes, and Xiaohong makes one flower every 9 minutes. How many flowers did Xiaodong make when completing the task?
小东和小红为"六一"庆祝活动做100朵花．两人同时做，小东每6分钟做一朵，小红每9分钟做一朵．完成任务时小东做了多少朵．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">(1/6) + (1/9)</gadget>
<output>5/18 = around 0.277778</output>

<gadget id="calculator">100 / (5/18)</gadget>
<output>360</output>

<gadget id="calculator">360 * (1/6)</gadget>
<output>60</output>

<result>60</result>