Write in minutes.<br> 4h = <input min="0" type="number" id ="imp3pg191q8c_1" class="lineinput" placeholder="?" /> x <input min="0" type="number" id ="imp3pg191q8c_2" class="lineinput" placeholder="?" /> min <br>= <input min="0" type="number" id ="imp3pg191q8c_3" class="lineinput" placeholder="?" /> min