A car travels from city A to city B at a speed of 80 kilometers per hour for 3 hours (3/4). How many kilometers are there between the two cities?
一辆汽车以每小时80千米的速度从甲城去乙城3小时行了全程的(3/4)．甲乙两城相距多少千米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3 / (3/4)</gadget>
<output>4</output>

<gadget id="calculator">80 * 4</gadget>
<output>320</output>

<result>320</result>