A rectangular vegetable field is (3/8) meters long and (34/7) meters wide, of which (2/3) grows cabbage. How many square meters is the cabbage field?
一块长方形菜地长(3/8)米，宽(34/7)米，其中(2/3)种白菜．白菜地有多少平方米？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">34 / 7</gadget>
<output>34/7 = around 4.857143</output>

<gadget id="calculator">(3/8) * (34/7)</gadget>
<output>51/28 = around 1.821429</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(51/28) * (2/3)</gadget>
<output>17/14 = around 1.214286</output>

<result>17/14 = around 1.214286</result>