The output value of a certain factory in 1985 was 1.75 million yuan, which was 25% higher than the original plan. How much was the original planned output value?
某工厂1985年产值175万元，比原计划增产25%，原计划产值多少万元．
<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">175 / (5/4)</gadget>
<output>140</output>

<result>140</result>