Use 1, 2, 3, 4 to make a three-digit number with different digits, try to find the sum of these numbers?
用1，2，3，4作成各位数字不同的三位数，试求这些数字的总和？
<gadget id="calculator">1 + 2 + 3 + 4</gadget>
<output>10</output>

<gadget id="calculator">10 * 3 * 2 * 100</gadget>
<output>6_000</output>

<gadget id="calculator">10 * 3 * 2 * 10</gadget>
<output>600</output>

<gadget id="calculator">10 * 3 * 2</gadget>
<output>60</output>

<gadget id="calculator">6_000 + 600 + 60</gadget>
<output>6_660</output>

<result>6_660</result>