Distribute a batch of flour to three factories. Factory A gets (2/5) of this batch of flour, and factory B gets the rest (2/5). Finally, factory C gets 16 tons less than what factory A gets. How many tons is this batch of flour in total?
把一批面粉分给三个工厂，甲厂得到这批面粉的(2/5)，乙厂得到剩余的(2/5)，最后丙厂分得的比甲厂分得的少16吨，这批面粉一共有多少吨？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) * (2/5)</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">1 - (2/5) - (6/25)</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">(2/5) - (9/25)</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">16 / (1/25)</gadget>
<output>400</output>

<result>400</result>