Calculation: 345345*788+690*105606=how much.
计算：345345*788+690*105606=多少．
<gadget id="calculator">345_345 * 788</gadget>
<output>272_131_860</output>

<gadget id="calculator">690 * 105_606</gadget>
<output>72_868_140</output>

<gadget id="calculator">272_131_860 + 72_868_140</gadget>
<output>345_000_000</output>

<result>345_000_000</result>