123456*1+1929*64-1286*96=how many.
123456*1+1929*64-1286*96=多少．
<gadget id="calculator">123_456 * 1</gadget>
<output>123_456</output>

<gadget id="calculator">1_929 * 64</gadget>
<output>123_456</output>

<gadget id="calculator">1_286 * 96</gadget>
<output>123_456</output>

<gadget id="calculator">123_456 - 123_456</gadget>
<output>0</output>

<gadget id="calculator">123_456 + 0</gadget>
<output>123_456</output>

<result>123_456</result>