The canteen shipped 500 kilograms of rice, the flour was rice (4/5), the vegetables were flour (3/8), how many kilograms were vegetables?
食堂运来大米500千克，运来面粉是大米的(4/5)，运来的蔬菜是面粉的(3/8)，运来蔬菜多少千克？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">500 * (4/5) * (3/8)</gadget>
<output>150</output>

<result>150</result>