The number of large cars in the parking lot (3/8) is equivalent to the number of small cars (2/5). It is known that there are 45 small cars in the parking lot. How many big cars are there?
停车场里大汽车数量的(3/8)相当于小汽车数量的(2/5)，已知停车场里的小汽车有45辆，求大汽车有多少辆？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(2/5) / (3/8)</gadget>
<output>16/15 = around 1.066667</output>

<gadget id="calculator">45 * (16/15)</gadget>
<output>48</output>

<result>48</result>