The factory built a workshop, and the actual investment was 10% less than the original plan, saving 48,000 yuan. How much was the original planned investment?
工厂修建一座厂房，实际投资比原计划节约了10%，节约了4.8万元，原计划投资多少万元？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">4.8 / (1/10)</gadget>
<output>48</output>

<result>48</result>