A and B walked towards each other from two places, and when they met, B walked the whole distance (7/15). After meeting, A continued to move forward, and it took 45 minutes to complete the journey. How many minutes did it take from departure to meeting B?
甲、乙二人从两地相向而行，相遇时乙走了全程的(7/15)．相遇后，甲继续前行，走完全程用了45分钟．从出发到相遇乙用的时间是多少分钟．
<gadget id="calculator">7 / 15</gadget>
<output>7/15 = around 0.466667</output>

<gadget id="calculator">1 - (7/15)</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">(8/15) * 45</gadget>
<output>24</output>

<result>24</result>