Two ships sail from port A to port B at the same time. When the fast ship reaches 60% of the journey, the slow ship travels to half of the journey. When the fast ship arrives at port B, the slow ship is still 38 kilometers away from port B. ． Find the distance between A and B ports.
两艘轮船同时从甲港驶向乙港，当快船行驶到全程的60%时，慢船正好行驶到全程的一半，当快船到达乙港时，慢船距乙港还有38千米．求甲、乙两港间的距离．
<gadget id="calculator">38 * 6</gadget>
<output>228</output>

<gadget id="calculator">3 - 2</gadget>
<output>1</output>

<gadget id="calculator">228 / 1</gadget>
<output>228</output>

<result>228</result>