What is the sum of the product of 48 and 105 plus 4280?
48与105的积加上4280，和是多少？
<gadget id="calculator">48 * 105</gadget>
<output>5_040</output>

<gadget id="calculator">5_040 + 4_280</gadget>
<output>9_320</output>

<result>9_320</result>