A, B, and C all have deposits in the bank. B's deposit is 100 yuan less than A's twice, and C's deposit is 300 yuan less than the sum of A and B's deposits. A's deposit is C's ( 2/5), then how much is the total deposit of A, B, and C?
甲、乙、丙三人都在银行有存款，乙的存款数比甲的2倍少100元，丙的存款数比甲、乙两人的存款和少300元，甲的存款是丙的(2/5)，那么甲、乙、丙共有存款多少元？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) * 400</gadget>
<output>160</output>

<gadget id="calculator">(2/5) * 3</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/5) - 1</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">160 / (1/5)</gadget>
<output>800</output>

<gadget id="calculator">2 * 800</gadget>
<output>1_600</output>

<gadget id="calculator">1_600 - 100</gadget>
<output>1_500</output>

<gadget id="calculator">3 * 800</gadget>
<output>2_400</output>

<gadget id="calculator">2_400 - 400</gadget>
<output>2_000</output>

<gadget id="calculator">800 + 1_500 + 2_000</gadget>
<output>4_300</output>

<result>4_300</result>