1 pumpkin for 3 radishes, 2 radishes for 8 eggplants, 5 pumpkins for how many eggplants.
1个南瓜换3个萝卜，2个萝卜换8个茄子，5个南瓜换多少个茄子．
<gadget id="calculator">3 / 3</gadget>
<output>1</output>

<gadget id="calculator">2 * 1</gadget>
<output>2</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">2 * (3/2) * 4 * 5</gadget>
<output>60</output>

<result>60</result>