in a donation drive. The teacher donated 360 yuan, Tingting donated the teacher's (1/9), how much did Tingting donate?
在一次捐款活动中．老师捐了360元，婷婷捐了老师的(1/9)，婷婷捐了多少钱？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">360 * (1/9)</gadget>
<output>40</output>

<result>40</result>