One elephant weighs 7000 kg, which is 2000 kg heavier than the other elephant. How many kilograms does the other elephant weigh, which is 5 tons.
一只大象重7000千克，比另一只大象重2000千克，另一只大象重多少千克，合5吨．
<gadget id="calculator">7_000 - 2_000</gadget>
<output>5_000</output>

<result>5_000</result>