The waiting time of 10 customers sampled by a savings bank in a bank (unit: minute): 25, 37, 8, 33, 34, 0, 1, 23, 13, 33, what is their average waiting time in minutes.
某银行储蓄所抽样调查10位顾客等待时间(单位：分)：25，37，8，33，34，0，1，23，13，33，他们的平均等待时间是多少分．
<gadget id="calculator">25 + 37 + 8 + 33 + 34 + 0 + 1 + 23 + 13 + 33</gadget>
<output>207</output>

<gadget id="calculator">207 / 10</gadget>
<output>207/10 = around 20.7</output>

<result>207/10 = around 20.7</result>