The school cafeteria bought a batch of 30 boxes of yogurt, each box has 8 cups, and each cup of yogurt (4/15) liters, how many liters of this batch of yogurt are there in total?
学校食堂购进一批酸奶30盒，每盒有8杯，每杯酸奶(4/15)升，这批酸奶共多少升？
<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">30 * 8 * (4/15)</gadget>
<output>64</output>

<result>64</result>