Two boats, A and B, are 150 kilometers apart on the same river. If the two boats are traveling in the same direction, they will meet in 2 hours; if they are traveling in the same direction, boat A will overtake boat B in 10 hours. What is the speed of boat A? rice.
甲乙两条船，在同一条河上相距150千米，若两船相向而行，则2小时相遇；若同向而行，则10小时甲船追上乙船，则甲船的速度为多少千米．
<gadget id="calculator">150 / 2</gadget>
<output>75</output>

<gadget id="calculator">150 / 10</gadget>
<output>15</output>

<gadget id="calculator">75 + 15</gadget>
<output>90</output>

<gadget id="calculator">90 / 2</gadget>
<output>45</output>

<result>45</result>