A car travels 40 kilometers per hour from place A to place B, and travels (3/10) the entire distance in (3/4) hours. How many kilometers are there between places A and B?
一辆汽车从甲地开往乙地，每时行40千米，(3/4)时行了全程的(3/10)，甲、乙两地相距多少千米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">(3/4) / (3/10)</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">40 * (5/2)</gadget>
<output>100</output>

<result>100</result>