Calculation: 211*555+445*789+555*789+211*445=how much.
计算：211*555+445*789+555*789+211*445=多少．
<gadget id="calculator">211 * 555</gadget>
<output>117_105</output>

<gadget id="calculator">445 * 789</gadget>
<output>351_105</output>

<gadget id="calculator">555 * 789</gadget>
<output>437_895</output>

<gadget id="calculator">211 * 445</gadget>
<output>93_895</output>

<gadget id="calculator">117_105 + 351_105 + 437_895 + 93_895</gadget>
<output>1_000_000</output>

<result>1_000_000</result>