What is the sum of the product of 125 and 79 plus the product of 125 and 21?
125与79的积加上125与21的积，和是多少？
<gadget id="calculator">125 * 79</gadget>
<output>9_875</output>

<gadget id="calculator">125 * 21</gadget>
<output>2_625</output>

<gadget id="calculator">9_875 + 2_625</gadget>
<output>12_500</output>

<result>12_500</result>