A, B, and C allocate funds according to 1:2:3. It is known that C is allocated 450 yuan, how much is the total amount of funds.
甲、乙、丙三人按1：2：3分配资金，已知丙分到450元，这笔资金一共有多少元．
<gadget id="calculator">1 + 2 + 3</gadget>
<output>6</output>

<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">450 / (1/2)</gadget>
<output>900</output>

<result>900</result>