Aunt Wang wants to pack 2000kg of newly produced food, each bag contains (4/5) kg, and (3/5) is packed, how many bags have been packed?
王阿姨要把新生产的2000kg食品包装起来，每袋装(4/5)kg，装了(3/5)，已经装了多少袋？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2_000 / (4/5)</gadget>
<output>2_500</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2_500 * (3/5)</gadget>
<output>1_500</output>

<result>1_500</result>