Four alumni of Zhejiang University, Zhang Wang, Li Chen, raised donations for the school's talent fund. Zhang's contribution accounts for 1/3 of the sum of Wang, Li, and Chen, the ratio of Wang's contribution to the sum of the other three is 1:4, Li's contribution is the other three's (1/5), and Chen's contribution 1.15 million RMB, how much has been donated?
张王李陈四位浙大校友为学校人才基金募捐．张出资占王、李、陈三人总和的(1/3)，王出资的与其余三人和之比是1：4，李出资的又是另外三人的(1/5)，陈出资115万人民币，共捐了多少元．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + 4</gadget>
<output>5</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/4) - (1/5) - (1/6)</gadget>
<output>23/60 = around 0.383333</output>

<gadget id="calculator">115 / (23/60)</gadget>
<output>300</output>

<result>300</result>