Text question. 3 times of a number is 0.1 less than 16, what is this number? (solution by equation)
文字题．一个数的3倍比16少0.1，这个数是多少？(用方程解)
<gadget id="calculator">16 - 0.1</gadget>
<output>15.9</output>

<gadget id="calculator">15.9 / 3</gadget>
<output>5.3</output>

<result>5.3</result>