Xiao Ming's mother works in a hospital. The country stipulates that the retirement age for women is 55 years old. She will retire in 2030. So when was she born?
小明的妈妈在医院工作，国家规定女士的退休年龄是55周岁，她将在2030年退休，那么她是多少年出生的．
<gadget id="calculator">2_030 - 55</gadget>
<output>1_975</output>

<result>1_975</result>