The elder brother has a deposit of 700 yuan. If the elder brother’s deposit is withdrawn (2/5), the deposit withdrawn is exactly half of the younger brother’s deposit. If the younger brother’s deposit is withdrawn (3/4), how much should be withdrawn?
哥哥有存款700元，如果把哥哥的存款取出(2/5)，取出的存款刚好是弟弟存款的一半，如果从弟弟的存款中取出(3/4)，应该取出多少元？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(2/5) / (1/2)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">700 * (4/5) * (3/4)</gadget>
<output>420</output>

<result>420</result>