The fruit shop shipped 6 boxes of apples and lychees. Apples are 25 kilograms per box, and lychees are 21 kilograms per box. How many kilograms of fruit are shipped in total?
水果店运来苹果、荔枝各6箱．苹果每箱25千克，荔枝每箱21千克．一共运来水果多少千克？
<gadget id="calculator">6 * 25</gadget>
<output>150</output>

<gadget id="calculator">6 * 21</gadget>
<output>126</output>

<gadget id="calculator">150 + 126</gadget>
<output>276</output>

<result>276</result>