Cars transport goods, the second transport is the first (3/8), 4.5 tons less than the first transport of goods. How many tons of goods does the car transport the second time?
汽车运送货物，第二次运送的是第一次的(3/8)，比第一次运送的货物少4.5吨．汽车第二次运送货物多少吨？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">4.5 / (5/8)</gadget>
<output>7.2</output>

<gadget id="calculator">7.2 - 4.5</gadget>
<output>2.7</output>

<result>2.7</result>