The result of adding 3 to number A and subtracting 4, multiplying by 5, and dividing by 6, is exactly 100. Finding A Number (Solving Problems by Equation and Column Method)
甲数加上3，减去4的结果，再乘以5，除以6，恰好是100．求甲数(方程和列式方法解题)
<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">100 * (6/5)</gadget>
<output>120</output>

<gadget id="calculator">4 - 3</gadget>
<output>1</output>

<gadget id="calculator">120 + 1</gadget>
<output>121</output>

<result>121</result>