□□/□=16…4 What is the smallest dividend?
□□/□=16…4被除数最小是多少．
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">16 * 5</gadget>
<output>80</output>

<gadget id="calculator">80 + 4</gadget>
<output>84</output>

<result>84</result>