It was dark, and the little bat went out to hunt. It continuously emits ultrasonic waves at a speed of 1500 meters per second, and receives the information of the prey after 3 seconds. At this time, how far is it from the prey?
天黑了，小蝙蝠外出捕食．它不断发出每秒1500米的超声波，3秒钟后收到猎物的信息．这时，它离猎物有多少？
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1_500 * (3/2)</gadget>
<output>2_250</output>

<result>2_250</result>