This year Xiaoming's family saved 5145 yuan, 25% more than last year. How much did Xiao Ming's family save last year?
今年小明家储蓄了5145元，比去年多25%．去年小明家储蓄了有多少元？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">5_145 / (5/4)</gadget>
<output>4_116</output>

<result>4_116</result>