The fruit supermarket brings in a batch of apples. After selling 30% of the apples, another 200 kilograms are shipped in. At this time, the weight of the apples is equivalent to the original (4/5), how many kilograms are the original apples?
水果超市运进一批苹果，卖出30%后，又运进200千克，这时苹果的重量相当于原来的(4/5)，求原有苹果多少千克？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">(4/5) - (7/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">200 / (1/10)</gadget>
<output>2_000</output>

<result>2_000</result>