Ships A and B depart from the two ports A and B, which are 240 kilometers apart, at the same time. After 6 hours, Ship A travels the entire distance (3/4), and Ship B travels the distance (2/3). How many miles are the boats apart?
甲、乙两船同时从相距240千米的A、B两港相对开出，6小时后，甲船行了全程的(3/4)，乙船行了全程的(2/3)，这时两船相距多少千米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) - 1</gadget>
<output>-1/3 = around -0.333333</output>

<gadget id="calculator">(3/4) + (-1/3)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">240 * (5/12)</gadget>
<output>100</output>

<result>100</result>