How many consecutive subtractions of 0.06 from 4 will result in 1.
从4里连续减多少个0.06结果为1．
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">3 / 0.06</gadget>
<output>50</output>

<result>50</result>