8400 kg of pears are transported from the orchard, which is 100 kg less than 4 times the number of kilograms of apples transported. How many kilograms of apples are transported?
从果园运走8400千克梨，比运走苹果千克数的4倍少100千克，运走苹果多少千克？
<gadget id="calculator">8_400 + 100</gadget>
<output>8_500</output>

<gadget id="calculator">8_500 / 4</gadget>
<output>2_125</output>

<result>2_125</result>