It takes Xiao Zhang 16 hours to travel from A to B, and Xiao Wang takes 18 hours to travel from B to A. If Xiao Zhang travels 13 kilometers before Xiao Wang starts, and the two meet 10 hours after Xiao Zhang leaves, Xiao Wang How many kilometers per minute? (column solution)
小张从A地到B地需16小时，小王从B地到A地需18小时，如果小张先行13千米后小王才出发，小张出发后10小时两人相遇，小王每分钟行多少千米？(列式解答)
<gadget id="calculator">10 / 16</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 / 18</gadget>
<output>1/18 = around 0.055556</output>

<gadget id="calculator">(3/8) / (1/18)</gadget>
<output>27/4 = around 6.75</output>

<gadget id="calculator">1 / 16</gadget>
<output>1/16 = around 0.0625</output>

<gadget id="calculator">(27/4) * (1/16)</gadget>
<output>27/64 = around 0.421875</output>

<gadget id="calculator">(5/8) - (27/64)</gadget>
<output>13/64 = around 0.203125</output>

<gadget id="calculator">13 / (13/64)</gadget>
<output>64</output>

<gadget id="calculator">18 * 60</gadget>
<output>1_080</output>

<gadget id="calculator">64 / 1_080</gadget>
<output>8/135 = around 0.059259</output>

<result>8/135 = around 0.059259</result>