There is a pile of goods, which are allocated to two vehicles, A and B, according to the ratio of 5:7. Car B transported 84T, and another task was transferred when the task of this car was completed (4/5). The rest were transported by a car. In this way, car A overfulfilled 28% of the assigned task, how many tons did car A actually transport?
有一堆货物，按5：7分配给甲乙两车运输．乙车运了84T，完成了本车任务的(4/5)时另有任务调走．余下的由甲车运完．这样甲车超额完成分配任务的28%，甲车实际运了多少T？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">84 / (4/5)</gadget>
<output>105</output>

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">105 * (5/7)</gadget>
<output>75</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">105 * (1/5)</gadget>
<output>21</output>

<gadget id="calculator">75 + 21</gadget>
<output>96</output>

<result>96</result>