Xiaohong's birthday is in February 1980. What is the probability of guessing her birthday correctly?
小红是1980年2月的生日，要猜出她的生日，一次猜对的可能性是多少
<gadget id="calculator">1 / 29</gadget>
<output>1/29 = around 0.034483</output>

<result>1/29 = around 0.034483</result>