In the reconstruction of a central primary school, the actual investment increased by 15% compared with the plan, an increase of 480,000 yuan. How much was the actual investment of the primary school?
某中心小学校舍改造，实际投资比计划增加15%，增加了48万元，该小学实际投资多少万元？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">48 / (3/20)</gadget>
<output>320</output>

<gadget id="calculator">320 + 48</gadget>
<output>368</output>

<result>368</result>