Among the four numbers π, 3.{_{1}**(•)}{_{4}**(•)}, (22/7), and 3.14, what is the largest number?
在π、3.{_{1}**(•)}{_{4}**(•)}、(22/7)、3.14四个数中，最大的数是多少．
<gadget id="calculator">22 / 7</gadget>
<output>22/7 = around 3.142857</output>

<result>22/7 = around 3.142857</result>