A and B drive towards each other from places A and B at the same time. After 4 hours, A travels 75% of the distance, and B exceeds the midpoint by 16km. It is also known that B travels 10 kilometers less than A per hour. A , How many kilometers are the distance between the two places B?
甲、乙二人同时从A，B两地相向开出，经过4小时后，甲行完全程的75%，乙超过了中点16km，又知乙比甲每小时少行10千米，A、B两地相距多少千米．
<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<gadget id="calculator">40 + 16</gadget>
<output>56</output>

<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(3/4) - (1/2)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">56 / (1/4)</gadget>
<output>224</output>

<result>224</result>