The distance between the two places is 1800 meters. A and B walk toward each other from both places at the same time and meet each other in 12 minutes; If the increase is 60%, how many minutes will the two meet?
两地相距1800米，甲、乙两人同时从两地相向而行，12分钟相遇；如果甲速提高20%，乙速提高40%，则9分钟相遇，如果甲速提高30%，乙速提高60%，则两人多少分钟相遇？
<gadget id="calculator">1_800 / 12</gadget>
<output>150</output>

<gadget id="calculator">150 * 1.4</gadget>
<output>210</output>

<gadget id="calculator">1_800 / 9</gadget>
<output>200</output>

<gadget id="calculator">210 - 200</gadget>
<output>10</output>

<gadget id="calculator">10 / 0.2</gadget>
<output>50</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">50 * (13/10)</gadget>
<output>65</output>

<gadget id="calculator">150 - 50</gadget>
<output>100</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">100 * (8/5)</gadget>
<output>160</output>

<gadget id="calculator">65 + 160</gadget>
<output>225</output>

<gadget id="calculator">1_800 / 225</gadget>
<output>8</output>

<result>8</result>