There are 6 teacups in a box, and each teacup is 4 yuan. If you buy 3 boxes of teacups, how much is the total?
一盒装6个茶杯，每个茶杯4元，买3盒茶杯，一共要多少元？
<gadget id="calculator">4 * 6 * 3</gadget>
<output>72</output>

<result>72</result>