The number of A is 4, and the number of B is 8. What is the 125 times of their sum?
甲数是4，乙数是8，它们的和的125倍是多少？
<gadget id="calculator">4 + 8</gadget>
<output>12</output>

<gadget id="calculator">12 * 125</gadget>
<output>1_500</output>

<result>1_500</result>