A farm raises 840 sheep, of which 560 can produce 14.2 kilograms of wool on average, and the rest can produce 5 kilograms of wool on average. How many kilograms of wool can the sheep on this farm produce in total?
某农场养羊840只，其中560只平均每只可出羊毛14.2千克，其余平均每只可出羊毛5千克，这农场的羊共可以出羊毛多少千克？
<gadget id="calculator">560 * 14.2</gadget>
<output>7_952</output>

<gadget id="calculator">840 - 560</gadget>
<output>280</output>

<gadget id="calculator">280 * 5</gadget>
<output>1_400</output>

<gadget id="calculator">7_952 + 1_400</gadget>
<output>9_352</output>

<result>9_352</result>