On a map with a scale of 1:2000000, the distance between AB and AB is 35 cm. Two trains leave opposite to each other. Train A travels 60 kilometers per hour, while train B travels per hour (3/4) , how many hours later the two cars meet?
在比例尺是1：2000000的地图上，量得AB两地相距35厘米，两列火车从两地相对开出，甲车每小时行60千米，是乙车每小时行的(3/4)，几小时后两车相遇？
<gadget id="calculator">1 / 2_000_000</gadget>
<output>1/2_000_000 = around 0</output>

<gadget id="calculator">1_000 * 100</gadget>
<output>100_000</output>

<gadget id="calculator">35 / (1/2_000_000) / 100_000</gadget>
<output>700</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">60 / (3/4)</gadget>
<output>80</output>

<gadget id="calculator">60 + 80</gadget>
<output>140</output>

<gadget id="calculator">700 / 140</gadget>
<output>5</output>

<result>5</result>