The distance between A and B is 100 kilometers. A person travels from A to B. On the first day, he travels the entire distance (3/5), on the second day he travels the rest of the distance (3/4), and on the second day How many kilometers have you traveled?
甲、乙两地相距100千米，某人从甲地去乙地，第一天行了全程的(3/5)，第二天行了剩下路程的(3/4)，第二天行了多少千米？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">100 * (3/5)</gadget>
<output>60</output>

<gadget id="calculator">100 - 60</gadget>
<output>40</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">40 * (3/4)</gadget>
<output>30</output>

<result>30</result>