The fruit shop shipped 400 kilograms of apples, 3 boxes less than oranges. It is known that each box of apples is 25 kilograms, and each box of oranges is 30 kilograms. How many kilograms of oranges are shipped in total?
水果店运来400千克苹果，比橘子少3箱．已知每箱苹果25千克，每箱橘子30千克，运来橘子共多少千克？
<gadget id="calculator">400 / 25</gadget>
<output>16</output>

<gadget id="calculator">16 + 3</gadget>
<output>19</output>

<gadget id="calculator">19 * 30</gadget>
<output>570</output>

<result>570</result>